V4L/DVB (12732): cx25821: fix bad whitespacing

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/cx25821/Kconfig

@@ -15,7 +15,7 @@ config VIDEO_CX25821
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called cx25821
-	  
+
 config VIDEO_CX25821_ALSA
 	tristate "Conexant 25821 DMA audio support"
 	depends on VIDEO_CX25821 && SND && EXPERIMENTAL
@@ -30,5 +30,5 @@ config VIDEO_CX25821_ALSA
 	  PCI device.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called cx25821-alsa.	  
+	  module will be called cx25821-alsa.
 

drivers/staging/cx25821/cx25821-alsa.c

@@ -72,7 +72,7 @@ struct cx25821_audio_dev {
 
 	unsigned long iobase;
 	spinlock_t                 reg_lock;
-	atomic_t		           count;
+	atomic_t			   count;
 
 	unsigned int               dma_size;
 	unsigned int               period_size;

drivers/staging/cx25821/cx25821-audio-upstream.c

@@ -45,8 +45,8 @@ static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC |
 
 
 int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
-			                            struct sram_channel *ch,
-			                            unsigned int bpl, u32 risc)
+						    struct sram_channel *ch,
+						    unsigned int bpl, u32 risc)
 {
 	unsigned int i, lines;
 	u32 cdt;
@@ -66,7 +66,7 @@ int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
     
     if (lines > 3)	
     {
-        lines = 3;
+	lines = 3;
     }
     
 	BUG_ON(lines < 2);
@@ -87,7 +87,7 @@ int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
 	cx_write(ch->cmds_start +  8, cdt);                     
 	cx_write(ch->cmds_start + 12, AUDIO_CDT_SIZE_QW);       
 	cx_write(ch->cmds_start + 16, ch->ctrl_start);          
-                                               
+					       
 	//IQ size
 	cx_write(ch->cmds_start + 20, AUDIO_IQ_SIZE_DW);        
 
@@ -105,40 +105,40 @@ int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
 
 
 static __le32 *cx25821_risc_field_upstream_audio( struct cx25821_dev *dev, __le32 *rp, 
-                                                  dma_addr_t databuf_phys_addr,
-                                                  unsigned int bpl, int fifo_enable)
+						  dma_addr_t databuf_phys_addr,
+						  unsigned int bpl, int fifo_enable)
 {
 	unsigned int line;
     struct sram_channel *sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];
     int offset = 0;
-                
+		
     
 	/* scan lines */
 	for (line = 0; line < LINES_PER_AUDIO_BUFFER; line++) 
     {      	
 		*(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); 
-        *(rp++) = cpu_to_le32(databuf_phys_addr + offset);          
-		*(rp++) = cpu_to_le32(0); /* bits 63-32 */	        	 
+	*(rp++) = cpu_to_le32(databuf_phys_addr + offset);          
+		*(rp++) = cpu_to_le32(0); /* bits 63-32 */			 
 
-        // Check if we need to enable the FIFO after the first 3 lines 
-        // For the upstream audio channel, the risc engine will enable the FIFO. 
-        if ( fifo_enable && line == 2 )
+	// Check if we need to enable the FIFO after the first 3 lines 
+	// For the upstream audio channel, the risc engine will enable the FIFO. 
+	if ( fifo_enable && line == 2 )
 		{
 			*(rp++) = RISC_WRITECR;
 			*(rp++) = sram_ch->dma_ctl;
 			*(rp++) = sram_ch->fld_aud_fifo_en;
 			*(rp++) = 0x00000020;
-    	}        
-        
-        offset += AUDIO_LINE_SIZE;
+	}        
+	
+	offset += AUDIO_LINE_SIZE;
 	}
-         
+	 
 	return rp;
 }
 
 int cx25821_risc_buffer_upstream_audio( struct cx25821_dev *dev, 
-                                  struct pci_dev *pci, 
-                                  unsigned int bpl, unsigned int lines)
+				  struct pci_dev *pci, 
+				  unsigned int bpl, unsigned int lines)
 {
 	__le32 *rp;
     int fifo_enable = 0;
@@ -148,7 +148,7 @@ int cx25821_risc_buffer_upstream_audio( struct cx25821_dev *dev,
     int risc_flag = RISC_CNT_INC;
     dma_addr_t   risc_phys_jump_addr;
 
-        
+	
 	/* Virtual address of Risc buffer program */
 	rp = dev->_risc_virt_addr;
     
@@ -158,48 +158,48 @@ int cx25821_risc_buffer_upstream_audio( struct cx25821_dev *dev,
     
     for( frame = 0; frame < NUM_AUDIO_FRAMES; frame++ )
     {        
-        databuf_offset = frame_size * frame;        
-                
-        if( frame == 0 )
-        {
-            fifo_enable = 1;
-            risc_flag = RISC_CNT_RESET;   
-        }
-        else
-        {
-            fifo_enable = 0;
-            risc_flag = RISC_CNT_INC;
-        }
-        
-        //Calculate physical jump address 
-        if( (frame+1) == NUM_AUDIO_FRAMES )
-        {
-            risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE;        
-        }
-        else
-        {
-            risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE*(frame+1);        
-        }
-        
-        rp = cx25821_risc_field_upstream_audio(dev, rp, dev->_audiodata_buf_phys_addr+databuf_offset, bpl, fifo_enable);       
-         
-        
-        if( USE_RISC_NOOP_AUDIO )
-        {
-            for( i = 0; i < NUM_NO_OPS; i++ )
-            {
-                *(rp++) = cpu_to_le32(RISC_NOOP);
-            }
-        }
-        
-
-        // Loop to (Nth)FrameRISC or to Start of Risc program & generate IRQ 
-        *(rp++)  = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);      
-        *(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
-        *(rp++)  = cpu_to_le32(0);  
-
-        //Recalculate virtual address based on frame index 
-        rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE/4 + (AUDIO_RISC_DMA_BUF_SIZE*(frame+1)/4 ) ;         
+	databuf_offset = frame_size * frame;        
+		
+	if( frame == 0 )
+	{
+	    fifo_enable = 1;
+	    risc_flag = RISC_CNT_RESET;   
+	}
+	else
+	{
+	    fifo_enable = 0;
+	    risc_flag = RISC_CNT_INC;
+	}
+	
+	//Calculate physical jump address 
+	if( (frame+1) == NUM_AUDIO_FRAMES )
+	{
+	    risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE;        
+	}
+	else
+	{
+	    risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE*(frame+1);        
+	}
+	
+	rp = cx25821_risc_field_upstream_audio(dev, rp, dev->_audiodata_buf_phys_addr+databuf_offset, bpl, fifo_enable);       
+	 
+	
+	if( USE_RISC_NOOP_AUDIO )
+	{
+	    for( i = 0; i < NUM_NO_OPS; i++ )
+	    {
+		*(rp++) = cpu_to_le32(RISC_NOOP);
+	    }
+	}
+	
+
+	// Loop to (Nth)FrameRISC or to Start of Risc program & generate IRQ 
+	*(rp++)  = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);      
+	*(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
+	*(rp++)  = cpu_to_le32(0);  
+
+	//Recalculate virtual address based on frame index 
+	rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE/4 + (AUDIO_RISC_DMA_BUF_SIZE*(frame+1)/4 ) ;         
     }
     
 	return 0;
@@ -228,10 +228,10 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
     
     if( !dev->_audio_is_running )
     {
-        printk("cx25821: No audio file is currently running so return!\n");
-        return;
+	printk("cx25821: No audio file is currently running so return!\n");
+	return;
     }
-        
+	
     //Disable RISC interrupts
     cx_write( sram_ch->int_msk, 0 );
     
@@ -241,8 +241,8 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
 
     //Clear data buffer memory
     if( dev->_audiodata_buf_virt_addr )
-        memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size ); 
-                
+	memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size ); 
+		
     dev->_audio_is_running       = 0;
     dev->_is_first_audio_frame   = 0;
     dev->_audioframe_count       = 0;
@@ -250,12 +250,12 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
     
     if( dev->_irq_audio_queues )
     {
-        kfree(dev->_irq_audio_queues); 
-        dev->_irq_audio_queues = NULL; 
+	kfree(dev->_irq_audio_queues); 
+	dev->_irq_audio_queues = NULL; 
     }        
     
     if( dev->_audiofilename != NULL )
-        kfree(dev->_audiofilename);  
+	kfree(dev->_audiofilename);  
 }
 
 
@@ -263,7 +263,7 @@ void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev)
 {
     if( dev->_audio_is_running )
     {
-        cx25821_stop_upstream_audio(dev);
+	cx25821_stop_upstream_audio(dev);
     }
 
     cx25821_free_memory_audio(dev);
@@ -286,69 +286,69 @@ int cx25821_get_audio_data(struct cx25821_dev *dev, struct sram_channel *sram_ch
 
     
     if( dev->_audiofile_status == END_OF_FILE )   
-        return 0;
-        
+	return 0;
+	
     myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );
     
     
     if (IS_ERR(myfile)) 
     {
-        const int open_errno = -PTR_ERR(myfile);
-        printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
-        return PTR_ERR(myfile);
+	const int open_errno = -PTR_ERR(myfile);
+	printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
+	return PTR_ERR(myfile);
     } 
     else 
     {   
-        if( !(myfile->f_op) )
-        {            
-            printk("%s: File has no file operations registered!\n", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        
-        if( !myfile->f_op->read )       
-        {            
-            printk("%s: File has no READ operations registered! \n", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        pos = myfile->f_pos;            
-        old_fs = get_fs();  
-        set_fs(KERNEL_DS);
-                
-              
-        for( i = 0; i < dev->_audio_lines_count; i++ )
-        {
-            pos = file_offset;    
-            
-            vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);     
-            
-            
-            if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )   
-            {
-                memcpy( (void*)(dev->_audiodata_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval);      
-            }            
-            
-            file_offset += vfs_read_retval;
-            frame_offset += vfs_read_retval;
-
-            if( vfs_read_retval < line_size )
-            {      
-                printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
-                break;
-            }      
-        }
-        
-        if( i > 0 )         
-            dev->_audioframe_count++;           
-
-        dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;      
-
-        
-        set_fs(old_fs);                 
-        filp_close(myfile, NULL);          
+	if( !(myfile->f_op) )
+	{            
+	    printk("%s: File has no file operations registered!\n", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	
+	if( !myfile->f_op->read )       
+	{            
+	    printk("%s: File has no READ operations registered! \n", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	pos = myfile->f_pos;            
+	old_fs = get_fs();  
+	set_fs(KERNEL_DS);
+		
+	      
+	for( i = 0; i < dev->_audio_lines_count; i++ )
+	{
+	    pos = file_offset;    
+	    
+	    vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);     
+	    
+	    
+	    if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )   
+	    {
+		memcpy( (void*)(dev->_audiodata_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval);      
+	    }            
+	    
+	    file_offset += vfs_read_retval;
+	    frame_offset += vfs_read_retval;
+
+	    if( vfs_read_retval < line_size )
+	    {      
+		printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
+		break;
+	    }      
+	}
+	
+	if( i > 0 )         
+	    dev->_audioframe_count++;           
+
+	dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;      
+
+	
+	set_fs(old_fs);                 
+	filp_close(myfile, NULL);          
     }
     
     return 0;
@@ -360,8 +360,8 @@ static void cx25821_audioups_handler(struct work_struct *work)
        
     if( !dev )
     {
-        printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
-        return;
+	printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+	return;
     }
   
     cx25821_get_audio_data( dev, &dev->sram_channels[dev->_audio_upstream_channel_select] );
@@ -377,91 +377,91 @@ int cx25821_openfile_audio(struct cx25821_dev *dev, struct sram_channel *sram_ch
     loff_t pos;
     loff_t offset = (unsigned long)0;
     mm_segment_t old_fs;
-        
+	
 
     myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );
     
     
     if (IS_ERR(myfile)) 
     {
-        const int open_errno = -PTR_ERR(myfile);
-        printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
-        return PTR_ERR(myfile);
+	const int open_errno = -PTR_ERR(myfile);
+	printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
+	return PTR_ERR(myfile);
     } 
     else 
     {
-        if( !(myfile->f_op) )
-        {            
-            printk("%s: File has no file operations registered! \n", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        
-        if( !myfile->f_op->read )
-        {            
-            printk("%s: File has no READ operations registered! \n", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        pos = myfile->f_pos;
-        old_fs = get_fs();  
-        set_fs(KERNEL_DS);
-                
-        
-        for( j = 0; j < NUM_AUDIO_FRAMES; j++ )       
-        {          
-            for( i = 0; i < dev->_audio_lines_count; i++ )
-            {
-                pos = offset;
-
-                vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);                
-                
-                
-                if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )   
-                { 
-                    memcpy( (void*)(dev->_audiodata_buf_virt_addr+offset/4), mybuf, vfs_read_retval);   
-                }                
-                
-                offset += vfs_read_retval;
-
-                if( vfs_read_retval < line_size )
-                {      
-                    printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
-                    break;
-                }      
-            }
-            
-            if( i > 0 )     
-            {
-                dev->_audioframe_count++;
-            }            
-            
-            if( vfs_read_retval < line_size )
-            {
-                break;
-            }            
-        }
-        
-        dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;   
-            
-        set_fs(old_fs);        
-        myfile->f_pos = 0;
-        filp_close(myfile, NULL);         
+	if( !(myfile->f_op) )
+	{            
+	    printk("%s: File has no file operations registered! \n", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	
+	if( !myfile->f_op->read )
+	{            
+	    printk("%s: File has no READ operations registered! \n", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	pos = myfile->f_pos;
+	old_fs = get_fs();  
+	set_fs(KERNEL_DS);
+		
+	
+	for( j = 0; j < NUM_AUDIO_FRAMES; j++ )       
+	{          
+	    for( i = 0; i < dev->_audio_lines_count; i++ )
+	    {
+		pos = offset;
+
+		vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);                
+		
+		
+		if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )   
+		{ 
+		    memcpy( (void*)(dev->_audiodata_buf_virt_addr+offset/4), mybuf, vfs_read_retval);   
+		}                
+		
+		offset += vfs_read_retval;
+
+		if( vfs_read_retval < line_size )
+		{      
+		    printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
+		    break;
+		}      
+	    }
+	    
+	    if( i > 0 )     
+	    {
+		dev->_audioframe_count++;
+	    }            
+	    
+	    if( vfs_read_retval < line_size )
+	    {
+		break;
+	    }            
+	}
+	
+	dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;   
+	    
+	set_fs(old_fs);        
+	myfile->f_pos = 0;
+	filp_close(myfile, NULL);         
     }
     
     return 0;
 }
 
 static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
-			                                     struct sram_channel *sram_ch,
-                                                 int bpl)
+							     struct sram_channel *sram_ch,
+						 int bpl)
 {
 	int ret = 0;
 	dma_addr_t dma_addr;
 	dma_addr_t data_dma_addr;	
-        
+	
 
     cx25821_free_memory_audio(dev);     
     
@@ -474,7 +474,7 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
    
     if (!dev->_risc_virt_addr)
     {
-        printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n");
+	printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n");
 		return -ENOMEM;
     }
   
@@ -489,7 +489,7 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
        
     if (!dev->_audiodata_buf_virt_addr)
     {        
-        printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning. \n");
+	printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning. \n");
 		return -ENOMEM;
     }
   
@@ -499,8 +499,8 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
    
     ret = cx25821_openfile_audio(dev, sram_ch);     
     if( ret < 0 )
-        return ret;
-                                      
+	return ret;
+				      
     
     //Creating RISC programs
     ret = cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl, dev->_audio_lines_count );                                
@@ -528,86 +528,86 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, u32 status
     if (status & FLD_AUD_SRC_RISCI1)      
     {
 	    //Get interrupt_index of the program that interrupted
-        u32 prog_cnt = cx_read( channel->gpcnt );
+	u32 prog_cnt = cx_read( channel->gpcnt );
     
-        //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
-        cx_write(channel->int_msk, 0);  
-        cx_write(channel->int_stat, cx_read(channel->int_stat) );
+	//Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+	cx_write(channel->int_msk, 0);  
+	cx_write(channel->int_stat, cx_read(channel->int_stat) );
     
 		spin_lock(&dev->slock);     
-            
-             
-        while(prog_cnt != dev->_last_index_irq)
-        {            
-            //Update _last_index_irq
-            if(dev->_last_index_irq < (NUMBER_OF_PROGRAMS-1))
-            {
-                dev->_last_index_irq++;
-            }
-            else
-            {
-                dev->_last_index_irq = 0;
-            }
-
-            dev->_audioframe_index = dev->_last_index_irq;
-            
-            queue_work(dev->_irq_audio_queues, &dev->_audio_work_entry);        
-        }
-
-    
-        if ( dev->_is_first_audio_frame )
-        {
-            dev->_is_first_audio_frame = 0;           
-            
-            if( dev->_risc_virt_start_addr != NULL )
-            {
-                risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE;        
-                
-                rp = cx25821_risc_field_upstream_audio(dev, dev->_risc_virt_start_addr+1, dev->_audiodata_buf_phys_addr, AUDIO_LINE_SIZE, FIFO_DISABLE);      
-
-                if( USE_RISC_NOOP_AUDIO )
-                {
-                    for( i = 0; i < NUM_NO_OPS; i++ )
-                    {
-                        *(rp++) = cpu_to_le32(RISC_NOOP);
-                    }
-                }
-        
-                // Jump to 2nd Audio Frame
-                *(rp++)  = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_RESET);      
-                *(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
-                *(rp++)  = cpu_to_le32(0); 
-            }
-        }
-        
+	    
+	     
+	while(prog_cnt != dev->_last_index_irq)
+	{            
+	    //Update _last_index_irq
+	    if(dev->_last_index_irq < (NUMBER_OF_PROGRAMS-1))
+	    {
+		dev->_last_index_irq++;
+	    }
+	    else
+	    {
+		dev->_last_index_irq = 0;
+	    }
+
+	    dev->_audioframe_index = dev->_last_index_irq;
+	    
+	    queue_work(dev->_irq_audio_queues, &dev->_audio_work_entry);        
+	}
+
+    
+	if ( dev->_is_first_audio_frame )
+	{
+	    dev->_is_first_audio_frame = 0;           
+	    
+	    if( dev->_risc_virt_start_addr != NULL )
+	    {
+		risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE;        
+		
+		rp = cx25821_risc_field_upstream_audio(dev, dev->_risc_virt_start_addr+1, dev->_audiodata_buf_phys_addr, AUDIO_LINE_SIZE, FIFO_DISABLE);      
+
+		if( USE_RISC_NOOP_AUDIO )
+		{
+		    for( i = 0; i < NUM_NO_OPS; i++ )
+		    {
+			*(rp++) = cpu_to_le32(RISC_NOOP);
+		    }
+		}
+	
+		// Jump to 2nd Audio Frame
+		*(rp++)  = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_RESET);      
+		*(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
+		*(rp++)  = cpu_to_le32(0); 
+	    }
+	}
+	
 		spin_unlock(&dev->slock);      
 	}
     else
     {
-        if(status & FLD_AUD_SRC_OF)
-            printk("%s: Audio Received Overflow Error Interrupt!\n", __func__);
+	if(status & FLD_AUD_SRC_OF)
+	    printk("%s: Audio Received Overflow Error Interrupt!\n", __func__);
 
-        if(status & FLD_AUD_SRC_SYNC)
-            printk("%s: Audio Received Sync Error Interrupt!\n", __func__);
+	if(status & FLD_AUD_SRC_SYNC)
+	    printk("%s: Audio Received Sync Error Interrupt!\n", __func__);
 
-        if(status & FLD_AUD_SRC_OPC_ERR)
-            printk("%s: Audio Received OpCode Error Interrupt!\n", __func__);    
-            
-        // Read and write back the interrupt status register to clear our bits
-        cx_write(channel->int_stat, cx_read(channel->int_stat) );   
+	if(status & FLD_AUD_SRC_OPC_ERR)
+	    printk("%s: Audio Received OpCode Error Interrupt!\n", __func__);    
+	    
+	// Read and write back the interrupt status register to clear our bits
+	cx_write(channel->int_stat, cx_read(channel->int_stat) );   
     }
      
-        
+	
     if( dev->_audiofile_status == END_OF_FILE )
     {                       
-        printk("cx25821: EOF Channel Audio Framecount = %d\n", dev->_audioframe_count );
-        return -1;
+	printk("cx25821: EOF Channel Audio Framecount = %d\n", dev->_audioframe_count );
+	return -1;
     }
     
     //ElSE, set the interrupt mask register, re-enable irq. 
     int_msk_tmp = cx_read( channel->int_msk );              
     cx_write( channel->int_msk, int_msk_tmp |= _intr_msk ); 
-               
+	       
     return 0;
 }
 
@@ -620,8 +620,8 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
     
     
     if( !dev )
-        return -1;
-        
+	return -1;
+	
 
     sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];     
 
@@ -631,17 +631,17 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
     // Only deal with our interrupt
     if(audio_status)
     {
-        handled = cx25821_audio_upstream_irq(dev, dev->_audio_upstream_channel_select, audio_status);
+	handled = cx25821_audio_upstream_irq(dev, dev->_audio_upstream_channel_select, audio_status);
     }
     
     
     if( handled < 0 )
     {    
-        cx25821_stop_upstream_audio(dev);
+	cx25821_stop_upstream_audio(dev);
     }
     else
     {
-        handled += handled;    
+	handled += handled;    
     }   
 
 	return IRQ_RETVAL(handled);
@@ -655,24 +655,24 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, struct sram_channe
     
     do
     {
-        //Wait 10 microsecond before checking to see if the FIFO is turned ON.
-        udelay(10);
-
-        tmp = cx_read( sram_ch->dma_ctl );
-        
-        if(count++ > 1000) //10 millisecond timeout         
-        {
-            printk("cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", __func__);
-            return;
-        }
-        
+	//Wait 10 microsecond before checking to see if the FIFO is turned ON.
+	udelay(10);
+
+	tmp = cx_read( sram_ch->dma_ctl );
+	
+	if(count++ > 1000) //10 millisecond timeout         
+	{
+	    printk("cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", __func__);
+	    return;
+	}
+	
     } while( !(tmp & sram_ch->fld_aud_fifo_en) );
-            
+	    
 }
 
 
 int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
-				                     struct sram_channel *sram_ch)
+						     struct sram_channel *sram_ch)
 {
     u32 tmp = 0;
     int err = 0;
@@ -744,10 +744,10 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
     
     if( dev->_audio_is_running )
     {
-        printk("Audio Channel is still running so return!\n");
-        return 0;
+	printk("Audio Channel is still running so return!\n");
+	return 0;
     }
-        
+	
     dev->_audio_upstream_channel_select = channel_select;      
     sram_ch = &dev->sram_channels[channel_select];   
     
@@ -757,10 +757,10 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
 
 	if(!dev->_irq_audio_queues)
     {
-        printk("cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n");
+	printk("cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n");
 		return -ENOMEM;
     }
-         
+	 
     
     dev->_last_index_irq     = 0;        
     dev->_audio_is_running   = 0;    
@@ -769,32 +769,32 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
     dev->_audio_lines_count  = LINES_PER_AUDIO_BUFFER; 
     _line_size          = AUDIO_LINE_SIZE; 
 
-        
+	
     if( dev->input_audiofilename )
     {
-        str_length = strlen(dev->input_audiofilename);
-        dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);        
-        
-        if( !dev->_audiofilename )
-            goto error;
-            
-        memcpy(dev->_audiofilename, dev->input_audiofilename, str_length + 1);  
-
-        //Default if filename is empty string
-        if( strcmp(dev->input_audiofilename,"") == 0)        
-        {
-            dev->_audiofilename = "/root/audioGOOD.wav";    
-        }         
+	str_length = strlen(dev->input_audiofilename);
+	dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);        
+	
+	if( !dev->_audiofilename )
+	    goto error;
+	    
+	memcpy(dev->_audiofilename, dev->input_audiofilename, str_length + 1);  
+
+	//Default if filename is empty string
+	if( strcmp(dev->input_audiofilename,"") == 0)        
+	{
+	    dev->_audiofilename = "/root/audioGOOD.wav";    
+	}         
     }
     else
     {
-        str_length = strlen(_defaultAudioName);       
-        dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);        
-        
-        if( !dev->_audiofilename )
-            goto error;
-            
-        memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);
+	str_length = strlen(_defaultAudioName);       
+	dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);        
+	
+	if( !dev->_audiofilename )
+	    goto error;
+	    
+	memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);
     }  
      
     
@@ -822,4 +822,3 @@ error:
     
     return err;
 }
-       

drivers/staging/cx25821/cx25821-audups11.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH11]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH11]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -99,18 +99,18 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH11] && h->video_dev[SRAM_CH11]->minor == minor)
-        {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH11] && h->video_dev[SRAM_CH11]->minor == minor)
+	{
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -128,21 +128,21 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
-        
+	fh->height = 480;
+
     dev->channel_opened = 10;
     fh->fmt             = format_by_fourcc(V4L2_PIX_FMT_YUYV);
 
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -156,15 +156,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO11))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO11))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -174,21 +174,21 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO11)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-        return POLLIN|POLLRDNORM;
+	return POLLIN|POLLRDNORM;
     return 0;
 }
 
@@ -199,17 +199,17 @@ static int video_release(struct file *file)
     struct cx25821_dev *dev = fh->dev;
 
     //stop the risc engine and fifo
-    //cx_write(channel11->dma_ctl, 0); 
+    //cx_write(channel11->dma_ctl, 0);
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO11)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO11);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO11);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -230,17 +230,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO11))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -253,14 +253,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO11);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -272,18 +272,18 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->width      = f->fmt.pix.width;
     fh->height     = f->fmt.pix.height;
@@ -293,30 +293,30 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     return 0;
 }
 
-static long video_ioctl_upstream11(struct file *file, unsigned int cmd, unsigned long arg)   
-{   
+static long video_ioctl_upstream11(struct file *file, unsigned int cmd, unsigned long arg)
+{
     struct cx25821_fh *fh = file->private_data;
     struct cx25821_dev *dev = fh->dev;
     int command = 0;
     struct upstream_user_struct *data_from_user;
 
-    
+
     data_from_user = (struct upstream_user_struct *)arg;
-    
+
     if( !data_from_user )
     {
-        printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
-        return 0;
+	printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
+	return 0;
     }
-    
+
     command = data_from_user->command;
-    
+
     if( command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO )
     {
-        return 0;
+	return 0;
     }
-        
-        
+
+
     dev->input_filename      = data_from_user->input_filename;
     dev->input_audiofilename = data_from_user->input_filename;
     dev->vid_stdname         = data_from_user->vid_stdname;
@@ -324,18 +324,18 @@ static long video_ioctl_upstream11(struct file *file, unsigned int cmd, unsigned
     dev->channel_select      = data_from_user->channel_select;
     dev->command             = data_from_user->command;
 
-   
+
     switch(command)
-    {           
-        case UPSTREAM_START_AUDIO:
-            cx25821_start_upstream_audio(dev, data_from_user);
-            break;
-
-        case UPSTREAM_STOP_AUDIO:
-            cx25821_stop_upstream_audio(dev);
-            break;            
+    {
+	case UPSTREAM_START_AUDIO:
+	    cx25821_start_upstream_audio(dev, data_from_user);
+	    break;
+
+	case UPSTREAM_STOP_AUDIO:
+	    cx25821_stop_upstream_audio(dev);
+	    break;
     }
-       
+
     return 0;
 }
 
@@ -366,11 +366,11 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
     struct cx25821_dev *dev = fh->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
     return 0;
 }
@@ -382,7 +382,7 @@ static const struct v4l2_file_operations video_fops = {
     .read          = video_read,
     .poll          = video_poll,
     .mmap          = video_mmap,
-    .ioctl         = video_ioctl_upstream11,  
+    .ioctl         = video_ioctl_upstream11,
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {

drivers/staging/cx25821/cx25821-cards.c

@@ -30,12 +30,12 @@
 #include "cx25821.h"
 #include "tuner-xc2028.h"
 
-// board config info                                                  
+// board config info
 
 struct cx25821_board cx25821_boards[] = {
 	[UNKNOWN_BOARD] = {
 		.name		= "UNKNOWN/GENERIC",
-		// Ensure safe default for unknown boards 
+		// Ensure safe default for unknown boards
 		.clk_freq       = 0,
 	},
 
@@ -43,8 +43,8 @@ struct cx25821_board cx25821_boards[] = {
 		.name		    = "CX25821",
 		.portb		    = CX25821_RAW,
 		.portc		    = CX25821_264,
-        .input[0].type  = CX25821_VMUX_COMPOSITE,
-	},	
+	.input[0].type  = CX25821_VMUX_COMPOSITE,
+	},
 
 };
 
@@ -63,7 +63,7 @@ void cx25821_card_setup(struct cx25821_dev *dev)
 {
 	static u8 eeprom[256];
 
-	if (dev->i2c_bus[0].i2c_rc == 0) 
+	if (dev->i2c_bus[0].i2c_rc == 0)
 	{
 		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom));

drivers/staging/cx25821/cx25821-gpio.c

@@ -25,17 +25,17 @@
 
 /********************* GPIO stuffs *********************/
 void cx25821_set_gpiopin_direction( struct cx25821_dev *dev,
-                                    int    pin_number,
-                                    int    pin_logic_value)
+				    int    pin_number,
+				    int    pin_logic_value)
 {
     int  bit = pin_number;
     u32 gpio_oe_reg = GPIO_LO_OE;
 	u32 gpio_register = 0;
     u32 value = 0;
-	
+
     // Check for valid pinNumber
     if ( pin_number >= 47 )
-        return;
+	return;
 
 
     if ( pin_number > 31 )
@@ -46,32 +46,32 @@ void cx25821_set_gpiopin_direction( struct cx25821_dev *dev,
 
     // Here we will make sure that the GPIOs 0 and 1 are output. keep the rest as is
     gpio_register = cx_read( gpio_oe_reg );
-	
+
     if (pin_logic_value == 1)
     {
-        value = gpio_register | Set_GPIO_Bit(bit) ;
+	value = gpio_register | Set_GPIO_Bit(bit) ;
     }
     else
     {
-        value = gpio_register & Clear_GPIO_Bit(bit) ;
+	value = gpio_register & Clear_GPIO_Bit(bit) ;
     }
 
     cx_write( gpio_oe_reg, value );
 }
 
 static void cx25821_set_gpiopin_logicvalue( struct cx25821_dev *dev,
-                                            int    pin_number,
-                                            int    pin_logic_value)
-{    
+					    int    pin_number,
+					    int    pin_logic_value)
+{
     int bit      = pin_number;
     u32 gpio_reg = GPIO_LO;
 	u32 value    = 0;
-	
-	
+
+
 	// Check for valid pinNumber
     if (pin_number >= 47)
-        return;
-       
+	return;
+
     cx25821_set_gpiopin_direction(dev, pin_number, 0);	 // change to output direction
 
 
@@ -82,15 +82,15 @@ static void cx25821_set_gpiopin_logicvalue( struct cx25821_dev *dev,
 	}
 
     value = cx_read( gpio_reg );
-   
-   
+
+
     if (pin_logic_value == 0)
     {
-        value &= Clear_GPIO_Bit(bit);
+	value &= Clear_GPIO_Bit(bit);
     }
     else
     {
-        value |= Set_GPIO_Bit(bit);
+	value |= Set_GPIO_Bit(bit);
     }
 
     cx_write( gpio_reg, value);
@@ -102,15 +102,15 @@ void cx25821_gpio_init(struct cx25821_dev *dev)
 	{
 	    return;
 	}
-		
-	switch (dev->board) 
+
+	switch (dev->board)
 	{
-		case CX25821_BOARD_CONEXANT_ATHENA10:	
-		default:		
-                 //set GPIO 5 to select the path for Medusa/Athena
-			cx25821_set_gpiopin_logicvalue(dev, 5, 1);  
+		case CX25821_BOARD_CONEXANT_ATHENA10:
+		default:
+		 //set GPIO 5 to select the path for Medusa/Athena
+			cx25821_set_gpiopin_logicvalue(dev, 5, 1);
 			mdelay(20);
 			break;
 	}
-	
+
 }

drivers/staging/cx25821/cx25821-i2c.c

@@ -88,9 +88,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg
 		dprintk(1, "%s(msg->len=%d)\n", __func__, msg->len);
 
 	/* Deal with i2c probe functions with zero payload */
-	if (msg->len == 0) 
+	if (msg->len == 0)
 	{
- 		cx_write(bus->reg_addr, msg->addr << 25);
+		cx_write(bus->reg_addr, msg->addr << 25);
 		cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2));
 
 		if (!i2c_wait_done(i2c_adap))
@@ -106,7 +106,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg
 	/* dev, reg + first byte */
 	addr = (msg->addr << 25) | msg->buf[0];
 	wdata = msg->buf[0];
-   
+
 	ctrl = bus->i2c_period | (1 << 12) | (1 << 2);
 
 	if (msg->len > 1)
@@ -125,7 +125,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg
 	if (retval == 0)
 		goto eio;
 
-	if (i2c_debug) 
+	if (i2c_debug)
 	{
 		if (!(ctrl & I2C_NOSTOP))
 			printk(" >\n");
@@ -152,14 +152,14 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg
 		if (retval == 0)
 			goto eio;
 
-		if (i2c_debug) 
+		if (i2c_debug)
 		{
 			dprintk(1, " %02x", msg->buf[cnt]);
 			if (!(ctrl & I2C_NOSTOP))
 				dprintk(1, " >\n");
 		}
 	}
- 
+
 	return msg->len;
 
  eio:
@@ -244,18 +244,18 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
 
 	dprintk(1, "%s(num = %d)\n", __func__, num);
 
-	for (i = 0 ; i < num; i++) 
+	for (i = 0 ; i < num; i++)
 	{
 		dprintk(1, "%s(num = %d) addr = 0x%02x  len = 0x%x\n",
 			__func__, num, msgs[i].addr, msgs[i].len);
 
-		if (msgs[i].flags & I2C_M_RD) 
+		if (msgs[i].flags & I2C_M_RD)
 		{
 			/* read */
 			retval = i2c_readbytes(i2c_adap, &msgs[i], 0);
-		} 
+		}
 		else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
-			   msgs[i].addr == msgs[i + 1].addr) 
+			   msgs[i].addr == msgs[i + 1].addr)
 	    {
 			/* write then read from same address */
 			retval = i2c_sendbytes(i2c_adap, &msgs[i], msgs[i + 1].len);
@@ -264,13 +264,13 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
 				goto err;
 			i++;
 			retval = i2c_readbytes(i2c_adap, &msgs[i], 1);
-		} 
-		else 
+		}
+		else
 		{
 			/* write */
 			retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);
 		}
-		
+
 		if (retval < 0)
 			goto err;
 	}
@@ -283,9 +283,9 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
 
 static u32 cx25821_functionality(struct i2c_adapter *adap)
 {
-	return I2C_FUNC_SMBUS_EMUL | 
+	return I2C_FUNC_SMBUS_EMUL |
 		I2C_FUNC_I2C |
-		I2C_FUNC_SMBUS_WORD_DATA | 
+		I2C_FUNC_SMBUS_WORD_DATA |
 		I2C_FUNC_SMBUS_READ_WORD_DATA |
 		I2C_FUNC_SMBUS_WRITE_WORD_DATA;
 }
@@ -334,7 +334,7 @@ int cx25821_i2c_register(struct cx25821_i2c *bus)
 
     //set up the I2c
     bus->i2c_client.addr = (0x88>>1);
-        
+
 	return bus->i2c_rc;
 }
 
@@ -375,19 +375,19 @@ int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value)
     int v = 0;
     u8 addr[2] = {0, 0};
     u8 buf[4] = {0,0,0,0};
-	
+
     struct i2c_msg msgs[2]={
-          {
-             .addr = client->addr,
-             .flags = 0,
-             .len = 2,
-             .buf = addr,
-          }, {
-             .addr = client->addr,
-             .flags = I2C_M_RD,
-             .len = 4,
-             .buf = buf,
-          }
+	  {
+	     .addr = client->addr,
+	     .flags = 0,
+	     .len = 2,
+	     .buf = addr,
+	  }, {
+	     .addr = client->addr,
+	     .flags = I2C_M_RD,
+	     .len = 4,
+	     .buf = buf,
+	  }
     };
 
 
@@ -401,23 +401,23 @@ int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value)
     v = (buf[3]<<24) | (buf[2]<<16) | (buf[1]<<8) | buf[0];
     *value = v;
 
-    return v; 
+    return v;
 }
 
 
 int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value)
 {
     struct i2c_client *client = &bus->i2c_client;
-    int retval = 0; 
+    int retval = 0;
     u8 buf[6] = {0, 0, 0, 0, 0, 0};
 
     struct i2c_msg msgs[1]={
-          {
-             .addr = client->addr,
-             .flags = 0,
-             .len = 6,
-             .buf = buf,
-          }
+	  {
+	     .addr = client->addr,
+	     .flags = 0,
+	     .len = 6,
+	     .buf = buf,
+	  }
     };
 
 

drivers/staging/cx25821/cx25821-medusa-video.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -38,52 +38,52 @@ static void medusa_enable_bluefield_output(struct cx25821_dev *dev, int channel,
     int out_ctrl = OUT_CTRL1;
     int out_ctrl_ns = OUT_CTRL_NS;
 
-        
+
     switch (channel)
     {
-        default:
-        case VDEC_A: 
-            break;
-        case VDEC_B: 
-            out_ctrl = VDEC_B_OUT_CTRL1;
-            out_ctrl_ns = VDEC_B_OUT_CTRL_NS;
-            break;
-        case VDEC_C:
-            out_ctrl = VDEC_C_OUT_CTRL1;
-            out_ctrl_ns = VDEC_C_OUT_CTRL_NS;
-            break;
-        case VDEC_D:
-            out_ctrl = VDEC_D_OUT_CTRL1;
-            out_ctrl_ns = VDEC_D_OUT_CTRL_NS;
-            break;
-        case VDEC_E:
-            out_ctrl = VDEC_E_OUT_CTRL1;
-            out_ctrl_ns = VDEC_E_OUT_CTRL_NS;
-            return;
-        case VDEC_F:
-            out_ctrl = VDEC_F_OUT_CTRL1;
-            out_ctrl_ns = VDEC_F_OUT_CTRL_NS;
-            return;
-        case VDEC_G:
-            out_ctrl = VDEC_G_OUT_CTRL1;
-            out_ctrl_ns = VDEC_G_OUT_CTRL_NS;
-            return;
-        case VDEC_H: 
-            out_ctrl = VDEC_H_OUT_CTRL1;
-            out_ctrl_ns = VDEC_H_OUT_CTRL_NS;
-            return;
+	default:
+	case VDEC_A:
+	    break;
+	case VDEC_B:
+	    out_ctrl = VDEC_B_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_B_OUT_CTRL_NS;
+	    break;
+	case VDEC_C:
+	    out_ctrl = VDEC_C_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_C_OUT_CTRL_NS;
+	    break;
+	case VDEC_D:
+	    out_ctrl = VDEC_D_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_D_OUT_CTRL_NS;
+	    break;
+	case VDEC_E:
+	    out_ctrl = VDEC_E_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_E_OUT_CTRL_NS;
+	    return;
+	case VDEC_F:
+	    out_ctrl = VDEC_F_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_F_OUT_CTRL_NS;
+	    return;
+	case VDEC_G:
+	    out_ctrl = VDEC_G_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_G_OUT_CTRL_NS;
+	    return;
+	case VDEC_H:
+	    out_ctrl = VDEC_H_OUT_CTRL1;
+	    out_ctrl_ns = VDEC_H_OUT_CTRL_NS;
+	    return;
     }
 
     value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl, &tmp);
     value &= 0xFFFFFF7F;        // clear BLUE_FIELD_EN
     if (enable)
-        value |= 0x00000080;    // set BLUE_FIELD_EN    
+	value |= 0x00000080;    // set BLUE_FIELD_EN
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl, value);
 
     value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl_ns, &tmp);
     value &= 0xFFFFFF7F;
     if (enable)
-        value |= 0x00000080;    // set BLUE_FIELD_EN    
+	value |= 0x00000080;    // set BLUE_FIELD_EN
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl_ns, value);
 }
 
@@ -97,93 +97,93 @@ static int medusa_initialize_ntsc(struct cx25821_dev *dev)
 
     mutex_lock(&dev->lock);
 
-    
+
     for (i=0; i < MAX_DECODERS; i++)
     {
-        // set video format NTSC-M
-        value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp);
-        value &= 0xFFFFFFF0;
-        value |= 0x10001;     // enable the fast locking mode bit[16]
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value);
-        
-        // resolution NTSC 720x480 
-        value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp);
-        value &= 0x00C00C00;
-        value |= 0x612D0074;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value);
-        
-        value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp);
-        value &= 0x00C00C00;
-        value |= 0x1C1E001A;        // vblank_cnt + 2 to get camera ID
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value);
-
-        // chroma subcarrier step size
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x43E00000);
-        
-        // enable VIP optional active
-        value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp);
-        value &= 0xFFFBFFFF;
-        value |= 0x00040000;        
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value);
-
-        // enable VIP optional active (VIP_OPT_AL) for direct output.
-        value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp);
-        value &= 0xFFFBFFFF;
-        value |= 0x00040000;        
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value);
-
-        // clear VPRES_VERT_EN bit, fixes the chroma run away problem
-        // when the input switching rate < 16 fields
-        // 
-        value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp);
-        value = setBitAtPos(value, 14);    // disable special play detection
-        value = clearBitAtPos(value, 15);  
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value);
-
-        // set vbi_gate_en to 0 
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp);
-        value = clearBitAtPos(value, 29);
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value);
-        
-        // Enable the generation of blue field output if no video
-        medusa_enable_bluefield_output(dev, i, 1);
+	// set video format NTSC-M
+	value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp);
+	value &= 0xFFFFFFF0;
+	value |= 0x10001;     // enable the fast locking mode bit[16]
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value);
+
+	// resolution NTSC 720x480
+	value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp);
+	value &= 0x00C00C00;
+	value |= 0x612D0074;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value);
+
+	value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp);
+	value &= 0x00C00C00;
+	value |= 0x1C1E001A;        // vblank_cnt + 2 to get camera ID
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value);
+
+	// chroma subcarrier step size
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x43E00000);
+
+	// enable VIP optional active
+	value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp);
+	value &= 0xFFFBFFFF;
+	value |= 0x00040000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value);
+
+	// enable VIP optional active (VIP_OPT_AL) for direct output.
+	value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp);
+	value &= 0xFFFBFFFF;
+	value |= 0x00040000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value);
+
+	// clear VPRES_VERT_EN bit, fixes the chroma run away problem
+	// when the input switching rate < 16 fields
+	//
+	value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp);
+	value = setBitAtPos(value, 14);    // disable special play detection
+	value = clearBitAtPos(value, 15);
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value);
+
+	// set vbi_gate_en to 0
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp);
+	value = clearBitAtPos(value, 29);
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value);
+
+	// Enable the generation of blue field output if no video
+	medusa_enable_bluefield_output(dev, i, 1);
     }
 
 
     for (i=0; i < MAX_ENCODERS; i++)
     {
-        // NTSC hclock 
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp);
-        value &= 0xF000FC00;
-        value |= 0x06B402D0;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value);
-
-        // burst begin and burst end
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp);
-        value &= 0xFF000000;
-        value |= 0x007E9054;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value);
-
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp);
-        value &= 0xFC00FE00;
-        value |= 0x00EC00F0;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value);
-
-        // set NTSC vblank, no phase alternation, 7.5 IRE pedestal
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp);
-        value &= 0x00FCFFFF;
-        value |= 0x13020000;    
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value);
-
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp);
-        value &= 0xFFFF0000;
-        value |= 0x0000E575;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value);
-
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x009A89C1);
-
-        // Subcarrier Increment
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x21F07C1F);
+	// NTSC hclock
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp);
+	value &= 0xF000FC00;
+	value |= 0x06B402D0;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value);
+
+	// burst begin and burst end
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp);
+	value &= 0xFF000000;
+	value |= 0x007E9054;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value);
+
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp);
+	value &= 0xFC00FE00;
+	value |= 0x00EC00F0;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value);
+
+	// set NTSC vblank, no phase alternation, 7.5 IRE pedestal
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp);
+	value &= 0x00FCFFFF;
+	value |= 0x13020000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value);
+
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp);
+	value &= 0xFFFF0000;
+	value |= 0x0000E575;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value);
+
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x009A89C1);
+
+	// Subcarrier Increment
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x21F07C1F);
     }
 
 
@@ -206,23 +206,23 @@ static int medusa_PALCombInit(struct cx25821_dev *dev, int dec)
 {
     int ret_val = -1;
     u32 value = 0, tmp = 0;
-   
+
     // Setup for 2D threshold
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFS_CFG+(0x200*dec), 0x20002861);
-    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFD_CFG+(0x200*dec), 0x20002861); 
-    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_LF_CFG+(0x200*dec), 0x200A1023); 
-   
-    // Setup flat chroma and luma thresholds 
+    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFD_CFG+(0x200*dec), 0x20002861);
+    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_LF_CFG+(0x200*dec), 0x200A1023);
+
+    // Setup flat chroma and luma thresholds
     value = cx25821_i2c_read(&dev->i2c_bus[0], COMB_FLAT_THRESH_CTRL+(0x200*dec), &tmp);
-    value &= 0x06230000;        
+    value &= 0x06230000;
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_FLAT_THRESH_CTRL+(0x200*dec), value);
-      
-    // set comb 2D blend 
+
+    // set comb 2D blend
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_BLEND+(0x200*dec), 0x210F0F0F);
-   
-    // COMB MISC CONTROL  
+
+    // COMB MISC CONTROL
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_MISC_CTRL+(0x200*dec), 0x41120A7F);
-    
+
     return ret_val;
 }
 
@@ -235,110 +235,110 @@ static int medusa_initialize_pal(struct cx25821_dev *dev)
     u32 tmp = 0;
 
     mutex_lock(&dev->lock);
-    
+
     for (i=0; i < MAX_DECODERS; i++)
     {
-        // set video format PAL-BDGHI       
-        value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp);
-        value &= 0xFFFFFFF0;
-        value |= 0x10004;     // enable the fast locking mode bit[16]
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value);
-        
-        
-        // resolution PAL 720x576       
-        value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp);
-        value &= 0x00C00C00;
-        value |= 0x632D007D;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value);
-        
-        // vblank656_cnt=x26, vactive_cnt=240h, vblank_cnt=x24      
-        value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp);
-        value &= 0x00C00C00;
-        value |= 0x28240026;        // vblank_cnt + 2 to get camera ID
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value);
-        
-        // chroma subcarrier step size
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x5411E2D0);
-
-        // enable VIP optional active
-        value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp);
-        value &= 0xFFFBFFFF;
-        value |= 0x00040000;            
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value);
-        
-        // enable VIP optional active (VIP_OPT_AL) for direct output.
-        value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp);
-        value &= 0xFFFBFFFF;
-        value |= 0x00040000;        
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value);
-        
-        // clear VPRES_VERT_EN bit, fixes the chroma run away problem
-        // when the input switching rate < 16 fields
-        value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp);
-        value = setBitAtPos(value, 14);    // disable special play detection
-        value = clearBitAtPos(value, 15);
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value);
-        
-        // set vbi_gate_en to 0         
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp);
-        value = clearBitAtPos(value, 29);
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value);
-
-        medusa_PALCombInit(dev, i);
-         
-        // Enable the generation of blue field output if no video
-        medusa_enable_bluefield_output(dev, i, 1);
-    }
-
-    
-    for (i=0; i < MAX_ENCODERS; i++)        
-    {
-        // PAL hclock 
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp);
-        value &= 0xF000FC00;
-        value |= 0x06C002D0;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value);
-
-        // burst begin and burst end        
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp);
-        value &= 0xFF000000;
-        value |= 0x007E9754;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value);
-
-        // hblank and vactive       
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp);
-        value &= 0xFC00FE00;
-        value |= 0x00FC0120;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value);
-
-        // set PAL vblank, phase alternation, 0 IRE pedestal        
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp);
-        value &= 0x00FCFFFF;
-        value |= 0x14010000;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value);
-        
-    
-        value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp);
-        value &= 0xFFFF0000;
-        value |= 0x0000F078;
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value);
-
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x00A493CF);
-
-        // Subcarrier Increment     
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x2A098ACB);
-    }
-          
-
-    //set picture resolutions   
+	// set video format PAL-BDGHI
+	value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp);
+	value &= 0xFFFFFFF0;
+	value |= 0x10004;     // enable the fast locking mode bit[16]
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value);
+
+
+	// resolution PAL 720x576
+	value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp);
+	value &= 0x00C00C00;
+	value |= 0x632D007D;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value);
+
+	// vblank656_cnt=x26, vactive_cnt=240h, vblank_cnt=x24
+	value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp);
+	value &= 0x00C00C00;
+	value |= 0x28240026;        // vblank_cnt + 2 to get camera ID
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value);
+
+	// chroma subcarrier step size
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x5411E2D0);
+
+	// enable VIP optional active
+	value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp);
+	value &= 0xFFFBFFFF;
+	value |= 0x00040000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value);
+
+	// enable VIP optional active (VIP_OPT_AL) for direct output.
+	value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp);
+	value &= 0xFFFBFFFF;
+	value |= 0x00040000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value);
+
+	// clear VPRES_VERT_EN bit, fixes the chroma run away problem
+	// when the input switching rate < 16 fields
+	value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp);
+	value = setBitAtPos(value, 14);    // disable special play detection
+	value = clearBitAtPos(value, 15);
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value);
+
+	// set vbi_gate_en to 0
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp);
+	value = clearBitAtPos(value, 29);
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value);
+
+	medusa_PALCombInit(dev, i);
+
+	// Enable the generation of blue field output if no video
+	medusa_enable_bluefield_output(dev, i, 1);
+    }
+
+
+    for (i=0; i < MAX_ENCODERS; i++)
+    {
+	// PAL hclock
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp);
+	value &= 0xF000FC00;
+	value |= 0x06C002D0;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value);
+
+	// burst begin and burst end
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp);
+	value &= 0xFF000000;
+	value |= 0x007E9754;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value);
+
+	// hblank and vactive
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp);
+	value &= 0xFC00FE00;
+	value |= 0x00FC0120;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value);
+
+	// set PAL vblank, phase alternation, 0 IRE pedestal
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp);
+	value &= 0x00FCFFFF;
+	value |= 0x14010000;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value);
+
+
+	value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp);
+	value &= 0xFFFF0000;
+	value |= 0x0000F078;
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value);
+
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x00A493CF);
+
+	// Subcarrier Increment
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x2A098ACB);
+    }
+
+
+    //set picture resolutions
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0);  //0 - 720
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0);  //0 - 576
-    
-    // set Bypass input format to PAL 625 lines 
+
+    // set Bypass input format to PAL 625 lines
     value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp);
     value &= 0xFFF7FDFF;
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value);
-    
+
     mutex_unlock(&dev->lock);
 
     return ret_val;
@@ -350,26 +350,26 @@ int medusa_set_videostandard(struct cx25821_dev *dev)
     int status = STATUS_SUCCESS;
     u32 value = 0, tmp = 0;
 
-    
+
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
     {
-        status = medusa_initialize_pal(dev);
+	status = medusa_initialize_pal(dev);
     }
     else
     {
-        status = medusa_initialize_ntsc(dev);
+	status = medusa_initialize_ntsc(dev);
     }
-        
+
     // Enable DENC_A output
     value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4, &tmp);
     value = setBitAtPos(value, 4);
     status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4, value);
-    
+
     // Enable DENC_B output
     value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_B_REG_4, &tmp);
     value = setBitAtPos(value, 4);
     status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_B_REG_4, value);
-    
+
     return status;
 }
 
@@ -380,7 +380,7 @@ void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_selec
     int decoder_count = 0;
     int ret_val = 0;
     u32 hscale = 0x0;
-    u32 vscale = 0x0; 
+    u32 vscale = 0x0;
     const int MAX_WIDTH = 720;
 
     mutex_lock(&dev->lock);
@@ -388,55 +388,55 @@ void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_selec
     // validate the width - cannot be negative
     if (width > MAX_WIDTH)
     {
-        printk("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH \n", __func__, width, MAX_WIDTH);
-        width = MAX_WIDTH;
-    } 
-             
+	printk("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH \n", __func__, width, MAX_WIDTH);
+	width = MAX_WIDTH;
+    }
+
     if( decoder_select <= 7 && decoder_select >= 0 )
     {
-        decoder = decoder_select;
-        decoder_count = decoder_select + 1;
+	decoder = decoder_select;
+	decoder_count = decoder_select + 1;
     }
     else
     {
-        decoder = 0;
-        decoder_count = _num_decoders;
+	decoder = 0;
+	decoder_count = _num_decoders;
     }
-    
-    
-    switch( width )
-    {
-        case 320:
-            hscale = 0x13E34B;
-            vscale = 0x0;
-            break;
-
-        case 352:
-            hscale = 0x10A273;
-            vscale = 0x0;
-            break;
-
-        case 176:
-            hscale = 0x3115B2;
-            vscale = 0x1E00;
-            break;
 
-        case 160:
-            hscale = 0x378D84;
-            vscale = 0x1E00;
-            break;
 
-        default:            //720
-            hscale = 0x0;
-            vscale = 0x0;
-            break;  
-    } 
+    switch( width )
+    {
+	case 320:
+	    hscale = 0x13E34B;
+	    vscale = 0x0;
+	    break;
+
+	case 352:
+	    hscale = 0x10A273;
+	    vscale = 0x0;
+	    break;
+
+	case 176:
+	    hscale = 0x3115B2;
+	    vscale = 0x1E00;
+	    break;
+
+	case 160:
+	    hscale = 0x378D84;
+	    vscale = 0x1E00;
+	    break;
+
+	default:            //720
+	    hscale = 0x0;
+	    vscale = 0x0;
+	    break;
+    }
 
     for( ; decoder < decoder_count; decoder++)
     {
-        // write scaling values for each decoder
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL+(0x200*decoder), hscale);
-        ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL+(0x200*decoder), vscale);
+	// write scaling values for each decoder
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL+(0x200*decoder), hscale);
+	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL+(0x200*decoder), vscale);
     }
 
     mutex_unlock(&dev->lock);
@@ -448,52 +448,52 @@ static void medusa_set_decoderduration(struct cx25821_dev *dev, int decoder, int
     u32 fld_cnt = 0;
     u32 tmp = 0;
     u32 disp_cnt_reg = DISP_AB_CNT;
-    
+
     mutex_lock(&dev->lock);
 
-    // no support 
+    // no support
     if (decoder < VDEC_A && decoder > VDEC_H)
     {
-        mutex_unlock(&dev->lock);
-        return;
+	mutex_unlock(&dev->lock);
+	return;
     }
 
     switch (decoder)
     {
-        default:
-            break;
-        case VDEC_C: 
-        case VDEC_D:
-            disp_cnt_reg = DISP_CD_CNT;
-            break;
-        case VDEC_E:
-        case VDEC_F: 
-            disp_cnt_reg = DISP_EF_CNT;
-            break;
-        case VDEC_G: 
-        case VDEC_H:
-            disp_cnt_reg = DISP_GH_CNT;
-            break;
+	default:
+	    break;
+	case VDEC_C:
+	case VDEC_D:
+	    disp_cnt_reg = DISP_CD_CNT;
+	    break;
+	case VDEC_E:
+	case VDEC_F:
+	    disp_cnt_reg = DISP_EF_CNT;
+	    break;
+	case VDEC_G:
+	case VDEC_H:
+	    disp_cnt_reg = DISP_GH_CNT;
+	    break;
     }
 
     _display_field_cnt[decoder] = duration;
 
     // update hardware
     fld_cnt = cx25821_i2c_read(&dev->i2c_bus[0], disp_cnt_reg, &tmp);
-    
+
     if (!(decoder % 2)) // EVEN decoder
     {
-        fld_cnt &= 0xFFFF0000;
-        fld_cnt |= duration;
+	fld_cnt &= 0xFFFF0000;
+	fld_cnt |= duration;
     }
     else
     {
-        fld_cnt &= 0x0000FFFF;
-        fld_cnt |= ((u32)duration) << 16;
+	fld_cnt &= 0x0000FFFF;
+	fld_cnt |= ((u32)duration) << 16;
     }
 
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], disp_cnt_reg, fld_cnt);
-    
+
     mutex_unlock(&dev->lock);
 }
 
@@ -514,7 +514,7 @@ static int mapM(
 
     if((srcMin == srcMax) || (srcVal < srcMin) || (srcVal > srcMax))
     {
-        return -1;
+	return -1;
     }
 
     // This is the overall expression used:
@@ -527,7 +527,7 @@ static int mapM(
 
     if(2 * ( numerator % denominator ) >= denominator)
     {
-        quotient++;
+	quotient++;
     }
 
     *dstVal = quotient + dstMin;
@@ -540,12 +540,12 @@ static unsigned long convert_to_twos(long numeric, unsigned long bits_len)
     unsigned char temp;
 
     if (numeric >= 0)
-        return numeric;
+	return numeric;
     else
     {
-        temp = ~(abs(numeric) & 0xFF);
-        temp += 1;
-        return temp;
+	temp = ~(abs(numeric) & 0xFF);
+	temp += 1;
+	return temp;
     }
 }
 /////////////////////////////////////////////////////////////////////////////////////////
@@ -558,8 +558,8 @@ int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder)
     mutex_lock(&dev->lock);
     if((brightness > VIDEO_PROCAMP_MAX) || (brightness < VIDEO_PROCAMP_MIN))
     {
-        mutex_unlock(&dev->lock);
-        return -1;
+	mutex_unlock(&dev->lock);
+	return -1;
     }
     ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, brightness, SIGNED_BYTE_MIN, SIGNED_BYTE_MAX, &value);
     value = convert_to_twos(value, 8);
@@ -578,11 +578,11 @@ int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder)
     u32 val = 0, tmp = 0;
 
     mutex_lock(&dev->lock);
-    
+
     if((contrast > VIDEO_PROCAMP_MAX) || (contrast < VIDEO_PROCAMP_MIN))
     {
-        mutex_unlock(&dev->lock);
-        return -1;
+	mutex_unlock(&dev->lock);
+	return -1;
     }
 
     ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, contrast, UNSIGNED_BYTE_MIN, UNSIGNED_BYTE_MAX, &value);
@@ -602,15 +602,15 @@ int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder)
     u32 val = 0, tmp = 0;
 
     mutex_lock(&dev->lock);
-    
+
     if((hue > VIDEO_PROCAMP_MAX) || (hue < VIDEO_PROCAMP_MIN))
     {
-        mutex_unlock(&dev->lock);
-        return -1;
+	mutex_unlock(&dev->lock);
+	return -1;
     }
 
     ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, hue, SIGNED_BYTE_MIN, SIGNED_BYTE_MAX, &value);
-    
+
     value = convert_to_twos(value, 8);
     val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_HUE_CTRL+(0x200*decoder), &tmp);
     val &= 0xFFFFFF00;
@@ -628,25 +628,25 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
     int ret_val = 0;
     int value = 0;
     u32 val = 0, tmp = 0;
-    
+
     mutex_lock(&dev->lock);
-    
+
     if((saturation > VIDEO_PROCAMP_MAX) || (saturation < VIDEO_PROCAMP_MIN))
     {
-        mutex_unlock(&dev->lock);
-        return -1;
+	mutex_unlock(&dev->lock);
+	return -1;
     }
 
     ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, saturation, UNSIGNED_BYTE_MIN, UNSIGNED_BYTE_MAX, &value);
-    
+
     val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_USAT_CTRL+(0x200*decoder), &tmp);
-    val &= 0xFFFFFF00;                          
+    val &= 0xFFFFFF00;
     ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_USAT_CTRL+(0x200*decoder), val | value);
 
     val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_VSAT_CTRL+(0x200*decoder), &tmp);
-    val &= 0xFFFFFF00; 
+    val &= 0xFFFFFF00;
     ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_VSAT_CTRL+(0x200*decoder), val | value);
-    
+
     mutex_unlock(&dev->lock);
     return ret_val;
 }
@@ -660,75 +660,75 @@ int medusa_video_init(struct cx25821_dev *dev)
     u32 value = 0, tmp = 0;
     int ret_val = 0;
     int i=0;
-    
+
     mutex_lock(&dev->lock);
-    
+
     _num_decoders = dev->_max_num_decoders;
-    
-    
-    // disable Auto source selection on all video decoders  
+
+
+    // disable Auto source selection on all video decoders
     value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
     value &= 0xFFFFF0FF;
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
-    
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
-    
+
     // Turn off Master source switch enable
     value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
     value &= 0xFFFFFFDF;
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
-    
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
 
     mutex_unlock(&dev->lock);
 
     for (i=0; i < _num_decoders; i++)
     {
-        medusa_set_decoderduration(dev, i, _display_field_cnt[i]);
+	medusa_set_decoderduration(dev, i, _display_field_cnt[i]);
     }
-    
+
     mutex_lock(&dev->lock);
 
-    // Select monitor as DENC A input, power up the DAC 
+    // Select monitor as DENC A input, power up the DAC
     value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_AB_CTRL, &tmp);
     value &= 0xFF70FF70;
-    value |= 0x00090008;    // set en_active 
+    value |= 0x00090008;    // set en_active
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value);
-    
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
 
     // enable input is VIP/656
     value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp);
     value |= 0x00040100;    // enable VIP
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value);
-    
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
 
-    // select AFE clock to output mode 
+    // select AFE clock to output mode
     value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
     value &= 0x83FFFFFF;
-    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, value | 0x10000000);        
-    
+    ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, value | 0x10000000);
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
 
     // Turn on all of the data out and control output pins.
@@ -736,34 +736,34 @@ int medusa_video_init(struct cx25821_dev *dev)
     value &= 0xFEF0FE00;
     if (_num_decoders == MAX_DECODERS)
     {
-        // Note: The octal board does not support control pins(bit16-19).
-        // These bits are ignored in the octal board.
-        value |= 0x010001F8;             // disable VDEC A-C port, default to Mobilygen Interface
+	// Note: The octal board does not support control pins(bit16-19).
+	// These bits are ignored in the octal board.
+	value |= 0x010001F8;             // disable VDEC A-C port, default to Mobilygen Interface
     }
     else
     {
-        value |= 0x010F0108;             // disable VDEC A-C port, default to Mobilygen Interface
+	value |= 0x010F0108;             // disable VDEC A-C port, default to Mobilygen Interface
     }
-    
+
     value |= 7;
     ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value);
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
     }
 
     mutex_unlock(&dev->lock);
 
-    
+
     ret_val = medusa_set_videostandard(dev);
 
-    
+
     if (ret_val < 0)
     {
-        mutex_unlock(&dev->lock);
-        return -EINVAL;
-    }   
-    
+	mutex_unlock(&dev->lock);
+	return -EINVAL;
+    }
+
     return 1;
 }

drivers/staging/cx25821/cx25821-medusa-video.h

@@ -26,7 +26,7 @@
 #include "cx25821-medusa-defines.h"
 
 
-// Color control constants 
+// Color control constants
 #define VIDEO_PROCAMP_MIN                 0
 #define VIDEO_PROCAMP_MAX                 10000
 #define UNSIGNED_BYTE_MIN                 0

drivers/staging/cx25821/cx25821-reg.h

@@ -1481,7 +1481,7 @@
 //*****************************************************************************
 #define  I2C1_ADDR                 0x180000      // I2C #1 address
 #define  FLD_I2C_DADDR             0xfe000000    // RW [31:25] I2C Device Address
-                                                 // RO [24] reserved
+						 // RO [24] reserved
 //*****************************************************************************
 #define  FLD_I2C_SADDR             0x00FFFFFF    // RW [23:0]  I2C Sub-address
 
@@ -1494,15 +1494,15 @@
 #define  FLD_I2C_PERIOD            0xFF000000    // RW [31:24]
 #define  FLD_I2C_SCL_IN            0x00200000    // RW [21]
 #define  FLD_I2C_SDA_IN            0x00100000    // RW [20]
-                                                 // RO [19:18] reserved
+						 // RO [19:18] reserved
 #define  FLD_I2C_SCL_OUT           0x00020000    // RW [17]
 #define  FLD_I2C_SDA_OUT           0x00010000    // RW [16]
-                                                 // RO [15] reserved
+						 // RO [15] reserved
 #define  FLD_I2C_DATA_LEN          0x00007000    // RW [14:12]
 #define  FLD_I2C_SADDR_INC         0x00000800    // RW [11]
-                                                 // RO [10:9] reserved
+						 // RO [10:9] reserved
 #define  FLD_I2C_SADDR_LEN         0x00000300    // RW [9:8]
-                                                 // RO [7:6] reserved
+						 // RO [7:6] reserved
 #define  FLD_I2C_SOFT              0x00000020    // RW [5]
 #define  FLD_I2C_NOSTOP            0x00000010    // RW [4]
 #define  FLD_I2C_EXTEND            0x00000008    // RW [3]
@@ -1588,13 +1588,13 @@
 
 //*****************************************************************************
 // Motion Detection
-#define  MD_CH0_GRID_BLOCK_YCNT    0x170014      
-#define  MD_CH1_GRID_BLOCK_YCNT    0x170094      
-#define  MD_CH2_GRID_BLOCK_YCNT    0x170114      
-#define  MD_CH3_GRID_BLOCK_YCNT    0x170194      
-#define  MD_CH4_GRID_BLOCK_YCNT    0x170214      
-#define  MD_CH5_GRID_BLOCK_YCNT    0x170294      
-#define  MD_CH6_GRID_BLOCK_YCNT    0x170314      
+#define  MD_CH0_GRID_BLOCK_YCNT    0x170014
+#define  MD_CH1_GRID_BLOCK_YCNT    0x170094
+#define  MD_CH2_GRID_BLOCK_YCNT    0x170114
+#define  MD_CH3_GRID_BLOCK_YCNT    0x170194
+#define  MD_CH4_GRID_BLOCK_YCNT    0x170214
+#define  MD_CH5_GRID_BLOCK_YCNT    0x170294
+#define  MD_CH6_GRID_BLOCK_YCNT    0x170314
 #define  MD_CH7_GRID_BLOCK_YCNT    0x170394
 
 #define PIXEL_FRMT_422    4

drivers/staging/cx25821/cx25821-video-upstream-ch2.c

@@ -44,97 +44,97 @@ static int _intr_msk = FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | F
 
 
 static __le32 *cx25821_update_riscprogram_ch2( struct cx25821_dev *dev,
-                                             __le32 *rp, unsigned int offset, unsigned int bpl, 
-                                             u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
+					     __le32 *rp, unsigned int offset, unsigned int bpl, 
+					     u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
 {
     unsigned int line, i;
     int dist_betwn_starts = bpl * 2;        
     
-        
+	
     *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);     
     
     
     if( USE_RISC_NOOP_VIDEO )
     {
-        for( i = 0; i < NUM_NO_OPS; i++ )
-        {
-            *(rp++) = cpu_to_le32(RISC_NOOP);
-        }
+	for( i = 0; i < NUM_NO_OPS; i++ )
+	{
+	    *(rp++) = cpu_to_le32(RISC_NOOP);
+	}
     }
     
     /* scan lines */
     for (line = 0; line < lines; line++) 
     {       
-        *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); 
-        *(rp++) = cpu_to_le32(dev->_data_buf_phys_addr_ch2+offset);       
-        *(rp++) = cpu_to_le32(0); /* bits 63-32 */  
-        
-        if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
-        {
-            offset += dist_betwn_starts;    
-        }               
+	*(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); 
+	*(rp++) = cpu_to_le32(dev->_data_buf_phys_addr_ch2+offset);       
+	*(rp++) = cpu_to_le32(0); /* bits 63-32 */  
+	
+	if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+	{
+	    offset += dist_betwn_starts;    
+	}               
     }
 
     return rp;
 }
 
 static __le32 *cx25821_risc_field_upstream_ch2( struct cx25821_dev *dev,
-                                           __le32 *rp, 
-                                           dma_addr_t databuf_phys_addr,
-                                           unsigned int offset, u32 sync_line, unsigned int bpl, 
-                                           unsigned int lines, int fifo_enable, int field_type)
+					   __le32 *rp, 
+					   dma_addr_t databuf_phys_addr,
+					   unsigned int offset, u32 sync_line, unsigned int bpl, 
+					   unsigned int lines, int fifo_enable, int field_type)
 {
     unsigned int line, i;
     struct sram_channel *sram_ch = &dev->sram_channels[dev->_channel2_upstream_select];
     int dist_betwn_starts = bpl * 2;        
     
-            
+	    
     /* sync instruction */
     if (sync_line != NO_SYNC_LINE)
     { 
-        *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);      
+	*(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);      
     }
 
     
     if( USE_RISC_NOOP_VIDEO )
     {
-        for( i = 0; i < NUM_NO_OPS; i++ )
-        {
-            *(rp++) = cpu_to_le32(RISC_NOOP);
-        }
+	for( i = 0; i < NUM_NO_OPS; i++ )
+	{
+	    *(rp++) = cpu_to_le32(RISC_NOOP);
+	}
     }
     
     /* scan lines */
     for (line = 0; line < lines; line++) 
     {       
-        *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); 
-        *(rp++) = cpu_to_le32(databuf_phys_addr+offset);          
-        *(rp++) = cpu_to_le32(0); /* bits 63-32 */  
-        
-        
-        if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
-        {
-            offset += dist_betwn_starts;    
-        }
-             
-
-        // check if we need to enable the FIFO after the first 4 lines 
-        // For the upstream video channel, the risc engine will enable the FIFO. 
-        if ( fifo_enable && line == 3 )
-        {
-            *(rp++) = RISC_WRITECR;
-            *(rp++) = sram_ch->dma_ctl;
-            *(rp++) = FLD_VID_FIFO_EN;
-            *(rp++) = 0x00000001;
-        }        
-    }
-        
+	*(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); 
+	*(rp++) = cpu_to_le32(databuf_phys_addr+offset);          
+	*(rp++) = cpu_to_le32(0); /* bits 63-32 */  
+	
+	
+	if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+	{
+	    offset += dist_betwn_starts;    
+	}
+	     
+
+	// check if we need to enable the FIFO after the first 4 lines 
+	// For the upstream video channel, the risc engine will enable the FIFO. 
+	if ( fifo_enable && line == 3 )
+	{
+	    *(rp++) = RISC_WRITECR;
+	    *(rp++) = sram_ch->dma_ctl;
+	    *(rp++) = FLD_VID_FIFO_EN;
+	    *(rp++) = 0x00000001;
+	}        
+    }
+	
     return rp;
 }
 
 int cx25821_risc_buffer_upstream_ch2( struct cx25821_dev *dev, struct pci_dev *pci, 
-                                  unsigned int top_offset, 
-                                  unsigned int bpl, unsigned int lines)
+				  unsigned int top_offset, 
+				  unsigned int bpl, unsigned int lines)
 {
     __le32 *rp;
     int fifo_enable = 0;
@@ -148,57 +148,57 @@ int cx25821_risc_buffer_upstream_ch2( struct cx25821_dev *dev, struct pci_dev *p
     unsigned int bottom_offset = bpl;
     dma_addr_t   risc_phys_jump_addr;
 
-              
+	      
     if( dev->_isNTSC_ch2 )
     {
-        odd_num_lines = singlefield_lines + 1;
-        risc_program_size = FRAME1_VID_PROG_SIZE;
-        frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+	odd_num_lines = singlefield_lines + 1;
+	risc_program_size = FRAME1_VID_PROG_SIZE;
+	frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
     }
     else
     {    
-        risc_program_size = PAL_VID_PROG_SIZE;  
-        frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;  
+	risc_program_size = PAL_VID_PROG_SIZE;  
+	frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;  
     }
   
-        
+	
     /* Virtual address of Risc buffer program */
     rp = dev->_dma_virt_addr_ch2;
     
     for( frame = 0; frame < NUM_FRAMES; frame++ )
     {        
-        databuf_offset = frame_size * frame;        
-        
-        
-        if (UNSET != top_offset)
-        {
-            fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;      
-            rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
-        }
-        
-        fifo_enable = FIFO_DISABLE;     
-        
-        
-        //Even field
-        rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);  
-
-        
-        if( frame == 0 )
-        {
-            risc_flag = RISC_CNT_RESET; 
-            risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + risc_program_size;    
-        }
-        else
-        {
-            risc_flag = RISC_CNT_INC;
-            risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
-        }
-                        
-
-        // Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ 
-        *(rp++)  = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);      
-        *(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
-        *(rp++)  = cpu_to_le32(0);     
+	databuf_offset = frame_size * frame;        
+	
+	
+	if (UNSET != top_offset)
+	{
+	    fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;      
+	    rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
+	}
+	
+	fifo_enable = FIFO_DISABLE;     
+	
+	
+	//Even field
+	rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);  
+
+	
+	if( frame == 0 )
+	{
+	    risc_flag = RISC_CNT_RESET; 
+	    risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + risc_program_size;    
+	}
+	else
+	{
+	    risc_flag = RISC_CNT_INC;
+	    risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
+	}
+			
+
+	// Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ 
+	*(rp++)  = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);      
+	*(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
+	*(rp++)  = cpu_to_le32(0);     
     }
     
     return 0;
@@ -212,8 +212,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
     
     if( !dev->_is_running_ch2 )
     {
-        printk("cx25821: No video file is currently running so return!\n");
-        return;
+	printk("cx25821: No video file is currently running so return!\n");
+	return;
     }
 
     //Disable RISC interrupts    
@@ -226,8 +226,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
 
     //Clear data buffer memory
     if( dev->_data_buf_virt_addr_ch2 )
-        memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );                     
-        
+	memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );                     
+	
     dev->_is_running_ch2     = 0;
     dev->_is_first_frame_ch2 = 0;
     dev->_frame_count_ch2    = 0;
@@ -235,12 +235,12 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
     
     if( dev->_irq_queues_ch2 )
     {
-        kfree(dev->_irq_queues_ch2); 
-        dev->_irq_queues_ch2 = NULL; 
+	kfree(dev->_irq_queues_ch2); 
+	dev->_irq_queues_ch2 = NULL; 
     }
     
     if( dev->_filename_ch2 != NULL )
-        kfree(dev->_filename_ch2);  
+	kfree(dev->_filename_ch2);  
 
     tmp = cx_read( VID_CH_MODE_SEL );
     cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00);  
@@ -250,19 +250,19 @@ void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev)
 {     
     if( dev->_is_running_ch2 )
     {
-        cx25821_stop_upstream_video_ch2(dev);
+	cx25821_stop_upstream_video_ch2(dev);
     }
     
     if (dev->_dma_virt_addr_ch2) 
     {
-        pci_free_consistent(dev->pci, dev->_risc_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
-        dev->_dma_virt_addr_ch2 = NULL;
+	pci_free_consistent(dev->pci, dev->_risc_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+	dev->_dma_virt_addr_ch2 = NULL;
     }
     
     if (dev->_data_buf_virt_addr_ch2) 
     {
-        pci_free_consistent(dev->pci, dev->_data_buf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
-        dev->_data_buf_virt_addr_ch2 = NULL;
+	pci_free_consistent(dev->pci, dev->_data_buf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+	dev->_data_buf_virt_addr_ch2 = NULL;
     }
 }
 
@@ -280,84 +280,84 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch
     loff_t file_offset;                     
     loff_t pos;
     mm_segment_t old_fs;
-        
+	
 
     if( dev->_file_status_ch2 == END_OF_FILE )   
-        return 0;
-        
+	return 0;
+	
     if( dev->_isNTSC_ch2 )
     {
-        frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+	frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
     }
     else
     { 
-        frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+	frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
     }
     
     frame_offset = (frame_index_temp > 0) ? frame_size : 0; 
     file_offset = dev->_frame_count_ch2 * frame_size; 
     
-        
+	
     myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
     
     
     if (IS_ERR(myfile)) 
     {
-        const int open_errno = -PTR_ERR(myfile);
-        printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
-        return PTR_ERR(myfile);        
+	const int open_errno = -PTR_ERR(myfile);
+	printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+	return PTR_ERR(myfile);        
     } 
     else 
     {   
-        if( !(myfile->f_op) )
-        {            
-            printk("%s: File has no file operations registered!", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        
-        if( !myfile->f_op->read )
-        {            
-            printk("%s: File has no READ operations registered!", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        pos = myfile->f_pos;            
-        old_fs = get_fs();      
-        set_fs(KERNEL_DS);
-                
-           
-        for( i = 0; i < dev->_lines_count_ch2; i++ )
-        {
-            pos = file_offset;      
-            
-            vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);     
-              
-            if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL )   
-            {
-                memcpy( (void*)(dev->_data_buf_virt_addr_ch2+frame_offset/4), mybuf, vfs_read_retval);  
-            }            
-            
-            file_offset += vfs_read_retval;
-            frame_offset += vfs_read_retval;
-
-            if( vfs_read_retval < line_size )
-            {      
-                printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
-                break;
-            }      
-        }
-        
-        if( i > 0 )         
-            dev->_frame_count_ch2++;       
-    
-        dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;      
-
-        
-        set_fs(old_fs);                 
-        filp_close(myfile, NULL);          
+	if( !(myfile->f_op) )
+	{            
+	    printk("%s: File has no file operations registered!", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	
+	if( !myfile->f_op->read )
+	{            
+	    printk("%s: File has no READ operations registered!", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	pos = myfile->f_pos;            
+	old_fs = get_fs();      
+	set_fs(KERNEL_DS);
+		
+	   
+	for( i = 0; i < dev->_lines_count_ch2; i++ )
+	{
+	    pos = file_offset;      
+	    
+	    vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);     
+	      
+	    if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL )   
+	    {
+		memcpy( (void*)(dev->_data_buf_virt_addr_ch2+frame_offset/4), mybuf, vfs_read_retval);  
+	    }            
+	    
+	    file_offset += vfs_read_retval;
+	    frame_offset += vfs_read_retval;
+
+	    if( vfs_read_retval < line_size )
+	    {      
+		printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+		break;
+	    }      
+	}
+	
+	if( i > 0 )         
+	    dev->_frame_count_ch2++;       
+    
+	dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;      
+
+	
+	set_fs(old_fs);                 
+	filp_close(myfile, NULL);          
     }
     
     return 0;
@@ -369,8 +369,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
        
     if( !dev )
     {
-        printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
-        return;
+	printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+	return;
     }
     
     cx25821_get_frame_ch2( dev, &dev->sram_channels[dev->_channel2_upstream_select] );
@@ -387,76 +387,76 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
     loff_t pos;
     loff_t offset = (unsigned long)0;
     mm_segment_t old_fs;
-        
+	
 
     myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
     
     
     if (IS_ERR(myfile)) 
     {
-        const int open_errno = -PTR_ERR(myfile);
-        printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
-        return PTR_ERR(myfile);
+	const int open_errno = -PTR_ERR(myfile);
+	printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+	return PTR_ERR(myfile);
     } 
     else 
     {
-        if( !(myfile->f_op) )
-        {            
-            printk("%s: File has no file operations registered!", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        
-        if( !myfile->f_op->read )
-        {            
-            printk("%s: File has no READ operations registered!  Returning.", __func__);
-            filp_close(myfile, NULL);
-            return -EIO;
-        }
-        
-        pos = myfile->f_pos;
-        old_fs = get_fs();      
-        set_fs(KERNEL_DS);
-                
-        
-        for( j = 0; j < NUM_FRAMES; j++ )       
-        {          
-            for( i = 0; i < dev->_lines_count_ch2; i++ )
-            {
-                pos = offset;
-
-                vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);                
-                
-                if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL ) 
-                {
-                    memcpy( (void*)(dev->_data_buf_virt_addr_ch2+offset/4), mybuf, vfs_read_retval); 
-                }
-                
-                
-                offset += vfs_read_retval;
-
-                if( vfs_read_retval < line_size )
-                {      
-                    printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
-                    break;
-                }      
-            }
-            
-            if( i > 0 )     
-                dev->_frame_count_ch2++;
-            
-            if( vfs_read_retval < line_size )
-            {
-                break;
-            }
-        }
-
-        dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;          
-            
-        set_fs(old_fs);        
-        myfile->f_pos = 0;
-        filp_close(myfile, NULL);        
+	if( !(myfile->f_op) )
+	{            
+	    printk("%s: File has no file operations registered!", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	
+	if( !myfile->f_op->read )
+	{            
+	    printk("%s: File has no READ operations registered!  Returning.", __func__);
+	    filp_close(myfile, NULL);
+	    return -EIO;
+	}
+	
+	pos = myfile->f_pos;
+	old_fs = get_fs();      
+	set_fs(KERNEL_DS);
+		
+	
+	for( j = 0; j < NUM_FRAMES; j++ )       
+	{          
+	    for( i = 0; i < dev->_lines_count_ch2; i++ )
+	    {
+		pos = offset;
+
+		vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);                
+		
+		if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL ) 
+		{
+		    memcpy( (void*)(dev->_data_buf_virt_addr_ch2+offset/4), mybuf, vfs_read_retval); 
+		}
+		
+		
+		offset += vfs_read_retval;
+
+		if( vfs_read_retval < line_size )
+		{      
+		    printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+		    break;
+		}      
+	    }
+	    
+	    if( i > 0 )     
+		dev->_frame_count_ch2++;
+	    
+	    if( vfs_read_retval < line_size )
+	    {
+		break;
+	    }
+	}
+
+	dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;          
+	    
+	set_fs(old_fs);        
+	myfile->f_pos = 0;
+	filp_close(myfile, NULL);        
     }
     
     return 0;
@@ -464,17 +464,17 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
 
 
 static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
-                                           struct sram_channel *sram_ch,
-                                           int bpl)
+					   struct sram_channel *sram_ch,
+					   int bpl)
 {
     int ret = 0;
     dma_addr_t dma_addr;
     dma_addr_t data_dma_addr;   
-        
+	
        
     if( dev->_dma_virt_addr_ch2 != NULL )
     {    
-        pci_free_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+	pci_free_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
     }
     
     dev->_dma_virt_addr_ch2 = pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, &dma_addr);
@@ -486,8 +486,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
   
     if (!dev->_dma_virt_addr_ch2)
     {
-        printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
-        return -ENOMEM;
+	printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
+	return -ENOMEM;
     }
 
 
@@ -497,7 +497,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
     
     if( dev->_data_buf_virt_addr_ch2 != NULL )
     {    
-        pci_free_consistent(dev->pci, dev->upstream_databuf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+	pci_free_consistent(dev->pci, dev->upstream_databuf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
     }
     
     //For Video Data buffer allocation  
@@ -507,8 +507,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
        
     if (!dev->_data_buf_virt_addr_ch2)
     {
-        printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
-        return -ENOMEM;
+	printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
+	return -ENOMEM;
     }
   
  
@@ -518,15 +518,15 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
     
     ret = cx25821_openfile_ch2(dev, sram_ch);     
     if( ret < 0 )
-        return ret;
-                                           
+	return ret;
+					   
     
     //Creating RISC programs
     ret = cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0,  bpl, dev->_lines_count_ch2 );                                
     if (ret < 0)
     {
-        printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
-        goto error;
+	printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
+	goto error;
     }
        
     return 0;
@@ -549,59 +549,59 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, u32 st
     
     if (status & FLD_VID_SRC_RISC1)      
     {
-        // We should only process one program per call
-        u32 prog_cnt = cx_read( channel->gpcnt );
-    
-        //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
-        int_msk_tmp = cx_read(channel->int_msk); 
-        cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk); 
-        cx_write( channel->int_stat, _intr_msk ); 
-        
-        spin_lock(&dev->slock);     
-            
-        dev->_frame_index_ch2 = prog_cnt;
-
-        queue_work(dev->_irq_queues_ch2, &dev->_irq_work_entry_ch2);         
-               
-        
-        if ( dev->_is_first_frame_ch2 )
-        {
-            dev->_is_first_frame_ch2 = 0;
-    
-            if( dev->_isNTSC_ch2 )
-            {
-                singlefield_lines += 1;
-                odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
-            }
-            else
-            {
-                singlefield_lines = PAL_FIELD_HEIGHT; 
-                odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;  
-            }
-
-            
-            if( dev->_dma_virt_start_addr_ch2 != NULL )
-            {
-                line_size_in_bytes = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
-                risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + odd_risc_prog_size;        
-                
-                rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);                        
-
-                // Jump to Even Risc program of 1st Frame 
-                *(rp++)  = cpu_to_le32(RISC_JUMP);      
-                *(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
-                *(rp++)  = cpu_to_le32(0); 
-            }
-        }
-        
-        spin_unlock(&dev->slock);       
-    }
-
-        
+	// We should only process one program per call
+	u32 prog_cnt = cx_read( channel->gpcnt );
+    
+	//Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+	int_msk_tmp = cx_read(channel->int_msk); 
+	cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk); 
+	cx_write( channel->int_stat, _intr_msk ); 
+	
+	spin_lock(&dev->slock);     
+	    
+	dev->_frame_index_ch2 = prog_cnt;
+
+	queue_work(dev->_irq_queues_ch2, &dev->_irq_work_entry_ch2);         
+	       
+	
+	if ( dev->_is_first_frame_ch2 )
+	{
+	    dev->_is_first_frame_ch2 = 0;
+    
+	    if( dev->_isNTSC_ch2 )
+	    {
+		singlefield_lines += 1;
+		odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
+	    }
+	    else
+	    {
+		singlefield_lines = PAL_FIELD_HEIGHT; 
+		odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;  
+	    }
+
+	    
+	    if( dev->_dma_virt_start_addr_ch2 != NULL )
+	    {
+		line_size_in_bytes = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+		risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + odd_risc_prog_size;        
+		
+		rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);                        
+
+		// Jump to Even Risc program of 1st Frame 
+		*(rp++)  = cpu_to_le32(RISC_JUMP);      
+		*(rp++)  = cpu_to_le32(risc_phys_jump_addr);            
+		*(rp++)  = cpu_to_le32(0); 
+	    }
+	}
+	
+	spin_unlock(&dev->slock);       
+    }
+
+	
     if( dev->_file_status_ch2 == END_OF_FILE )
     {                       
-        printk("cx25821: EOF Channel 2 Framecount = %d\n", dev->_frame_count_ch2 );
-        return -1;
+	printk("cx25821: EOF Channel 2 Framecount = %d\n", dev->_frame_count_ch2 );
+	return -1;
     }
     
     //ElSE, set the interrupt mask register, re-enable irq. 
@@ -621,10 +621,10 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
     
     
     if( !dev )
-        return -1;
+	return -1;
 
     channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
-         
+	 
     sram_ch = &dev->sram_channels[channel_num];     
 
     msk_stat   = cx_read(sram_ch->int_mstat);     
@@ -633,17 +633,17 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
     // Only deal with our interrupt
     if(vid_status)
     {
-        handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status);     
+	handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status);     
     }
     
     
     if( handled < 0 )
     {    
-        cx25821_stop_upstream_video_ch2(dev);             
+	cx25821_stop_upstream_video_ch2(dev);             
     }
     else
     {
-        handled += handled;    
+	handled += handled;    
     }
 
     return IRQ_RETVAL(handled);
@@ -658,7 +658,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
     u32 value;
     int vip_mode = PIXEL_ENGINE_VIP1;
        
-        
+	
     value = ( (pix_format & 0x3) << 12 ) | ( vip_mode & 0x7 );
     value &= 0xFFFFFFEF;
     value |= dev->_isNTSC_ch2 ? 0 : 0x10;
@@ -672,7 +672,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
 
     if(dev->_isNTSC_ch2)
     {
-        odd_num_lines += 1; 
+	odd_num_lines += 1; 
     }
 
     value = (num_lines << 16) | odd_num_lines;
@@ -685,7 +685,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
 
 
 int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
-                                     struct sram_channel *sram_ch)
+				     struct sram_channel *sram_ch)
 {
     u32 tmp = 0;
     int err = 0;
@@ -716,8 +716,8 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
     err = request_irq(dev->pci->irq, cx25821_upstream_irq_ch2, IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
     if (err < 0) 
     {
-        printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
-        goto fail_irq;
+	printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
+	goto fail_irq;
     } 
     
     // Start the DMA  engine
@@ -748,8 +748,8 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
     
     if( dev->_is_running_ch2 ) 
     {
-        printk("Video Channel is still running so return!\n");
-        return 0;
+	printk("Video Channel is still running so return!\n");
+	return 0;
     }
     
     dev->_channel2_upstream_select = channel_select;      
@@ -761,15 +761,15 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
 
     if(!dev->_irq_queues_ch2)
     {
-        printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
-        return -ENOMEM;
+	printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
+	return -ENOMEM;
     }
     
     // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
     tmp = cx_read( VID_CH_MODE_SEL );
     cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);       
     
-          
+	  
     dev->_is_running_ch2   = 0;    
     dev->_frame_count_ch2  = 0;
     dev->_file_status_ch2  = RESET_STATUS;  
@@ -779,43 +779,43 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
     data_frame_size = dev->_isNTSC_ch2 ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;        
     risc_buffer_size = dev->_isNTSC_ch2 ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
     
-        
+	
     if( dev->input_filename_ch2 )
     {
-        str_length = strlen(dev->input_filename_ch2);
-        dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
-        
-        if( !dev->_filename_ch2 )
-            goto error;
-            
-        memcpy(dev->_filename_ch2, dev->input_filename_ch2, str_length + 1);    
+	str_length = strlen(dev->input_filename_ch2);
+	dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+	
+	if( !dev->_filename_ch2 )
+	    goto error;
+	    
+	memcpy(dev->_filename_ch2, dev->input_filename_ch2, str_length + 1);    
     }
     else
     {
-        str_length = strlen(dev->_defaultname_ch2);       
-        dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
-        
-        if( !dev->_filename_ch2 )
-            goto error;
-            
-        memcpy(dev->_filename_ch2, dev->_defaultname_ch2, str_length + 1);
+	str_length = strlen(dev->_defaultname_ch2);       
+	dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+	
+	if( !dev->_filename_ch2 )
+	    goto error;
+	    
+	memcpy(dev->_filename_ch2, dev->_defaultname_ch2, str_length + 1);
     }
-        
+	
     
     //Default if filename is empty string 
     if( strcmp(dev->input_filename_ch2,"") == 0)        
     {
-        if( dev->_isNTSC_ch2 )
-        {
-            dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
-        }
-        else
-        {
-            dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";    
-        }
-    }
-        
-        
+	if( dev->_isNTSC_ch2 )
+	{
+	    dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
+	}
+	else
+	{
+	    dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";    
+	}
+    }
+	
+	
     retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size_ch2, 0);   
     
     
@@ -830,8 +830,8 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
     retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2);
     if (retval < 0) 
     {
-        printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
-        goto error;
+	printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
+	goto error;
     }
     
       

drivers/staging/cx25821/cx25821-video-upstream-ch2.h

@@ -71,25 +71,25 @@
 
 #ifdef USE_RISC_NOOP_VIDEO
 #define PAL_US_VID_PROG_SIZE      ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE +   \
-                                    RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
-                                    
+				    RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+				    
 #define PAL_RISC_BUF_SIZE         (2 * PAL_US_VID_PROG_SIZE)
 
 #define PAL_VID_PROG_SIZE         ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
+				    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
 
 #define ODD_FLD_PAL_PROG_SIZE     ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE) 
+				    RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE) 
 
 #define NTSC_US_VID_PROG_SIZE     ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
-                                    JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)   
-                                    
+				    JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)   
+				    
 #define NTSC_RISC_BUF_SIZE        (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))         
 
 #define FRAME1_VID_PROG_SIZE      ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)   
+				    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)   
 #define ODD_FLD_NTSC_PROG_SIZE    ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)    
+				    RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)    
 #endif
 
 
@@ -97,11 +97,11 @@
 #define PAL_US_VID_PROG_SIZE      ((PAL_FIELD_HEIGHT + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
 #define PAL_RISC_BUF_SIZE         ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE) )
 #define PAL_VID_PROG_SIZE         ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) 
+				    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) 
 #define ODD_FLD_PAL_PROG_SIZE     ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
 #define ODD_FLD_NTSC_PROG_SIZE    ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
 #define NTSC_US_VID_PROG_SIZE     ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)   
 #define NTSC_RISC_BUF_SIZE        (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) )     
 #define FRAME1_VID_PROG_SIZE      ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+				    RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
 #endif

drivers/staging/cx25821/cx25821-video-upstream.h

@@ -70,38 +70,38 @@
 
 #ifdef USE_RISC_NOOP_VIDEO
 #define PAL_US_VID_PROG_SIZE        ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE +   \
-                                      RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
-                                    
+				      RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+				    
 #define PAL_RISC_BUF_SIZE           (2 * PAL_US_VID_PROG_SIZE)
 
 #define PAL_VID_PROG_SIZE           ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
+				      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
 
 #define ODD_FLD_PAL_PROG_SIZE       ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)  
-                                      
+				      RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)  
+				      
 #define ODD_FLD_NTSC_PROG_SIZE      ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)  
-                                      
+				      RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)  
+				      
 #define NTSC_US_VID_PROG_SIZE       ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
-                                      JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)   
-                                    
+				      JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)   
+				    
 #define NTSC_RISC_BUF_SIZE          (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))         
 
 #define FRAME1_VID_PROG_SIZE        ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
-                                      
+				      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE) 
+				      
 #endif
 
 
 #ifndef USE_RISC_NOOP_VIDEO
 #define PAL_US_VID_PROG_SIZE        ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
-                                      RISC_SYNC_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
-                                    
+				      RISC_SYNC_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
+				    
 #define PAL_RISC_BUF_SIZE           (2 * PAL_US_VID_PROG_SIZE)
 
 #define PAL_VID_PROG_SIZE           ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) 
+				      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) 
 
 #define ODD_FLD_PAL_PROG_SIZE       ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
 #define ODD_FLD_NTSC_PROG_SIZE      ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
@@ -109,5 +109,5 @@
 #define NTSC_US_VID_PROG_SIZE       ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)   
 #define NTSC_RISC_BUF_SIZE          ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) )     
 #define FRAME1_VID_PROG_SIZE        ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
-                                      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+				      RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
 #endif  

drivers/staging/cx25821/cx25821-video.h

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -52,7 +52,7 @@
 
 #define dprintk(level, fmt, arg...)\
     do { if (VIDEO_DEBUG >= level)\
-        printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+	printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
     } while (0)
 
 
@@ -117,9 +117,9 @@ extern int res_locked(struct cx25821_dev *dev, unsigned int bit);
 extern void res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits);
 extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
 extern int cx25821_start_video_dma(struct cx25821_dev *dev,
-                   struct cx25821_dmaqueue *q,
-                   struct cx25821_buffer *buf,
-                   struct sram_channel *channel);
+		   struct cx25821_dmaqueue *q,
+		   struct cx25821_buffer *buf,
+		   struct sram_channel *channel);
 
 extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width, unsigned int height, enum v4l2_field field);
 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);

drivers/staging/cx25821/cx25821-video0.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH00]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH00]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,18 +100,18 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH00] && h->video_dev[SRAM_CH00]->minor == minor)
-        {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH00] && h->video_dev[SRAM_CH00]->minor == minor)
+	{
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -119,8 +119,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -129,22 +129,22 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH00;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
     fh->fmt             = format_by_fourcc(pix_format);
-    
+
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -158,15 +158,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO0))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO0))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -176,36 +176,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO0)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {       
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH00] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH00] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -220,13 +220,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO0)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO0);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO0);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -246,17 +246,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO0))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -269,14 +269,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO0);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -286,21 +286,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = PIXEL_FRMT_422;
-    
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -308,33 +308,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
 	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH00, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH00, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH00] = 1;
+	dev->use_cif_resolution[SRAM_CH00] = 1;
     }else
     {
-        dev->use_cif_resolution[SRAM_CH00] = 0;
+	dev->use_cif_resolution[SRAM_CH00] = 0;
     }
     dev->cif_width[SRAM_CH00]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH00 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH00 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -348,7 +348,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH00].count;
 
@@ -360,7 +360,7 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
@@ -378,10 +378,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;
@@ -398,7 +398,7 @@ static const struct v4l2_file_operations video_fops = {
     .read          = video_read,
     .poll          = video_poll,
     .mmap          = video_mmap,
-    .ioctl         = video_ioctl2, 
+    .ioctl         = video_ioctl2,
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {

drivers/staging/cx25821/cx25821-video1.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -41,37 +41,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH01]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH01]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -101,17 +101,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH01] && h->video_dev[SRAM_CH01]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH01] && h->video_dev[SRAM_CH01]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -119,8 +119,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -129,9 +129,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH01;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -140,11 +140,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -158,15 +158,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO1))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO1))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -176,36 +176,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO1)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH01] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH01] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -219,13 +219,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO1)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO1);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO1);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -245,17 +245,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO1))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -268,14 +268,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO1);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -286,21 +286,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -308,33 +308,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
 	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH01, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH01, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH01] = 1;
+	dev->use_cif_resolution[SRAM_CH01] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH01] = 0;
     }
     dev->cif_width[SRAM_CH01]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH01 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH01 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -348,7 +348,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH01].count;
 
@@ -360,7 +360,7 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
@@ -378,10 +378,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;
@@ -397,7 +397,7 @@ static const struct v4l2_file_operations video_fops = {
     .read          = video_read,
     .poll          = video_poll,
     .mmap          = video_mmap,
-    .ioctl         = video_ioctl2,     
+    .ioctl         = video_ioctl2,
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {

drivers/staging/cx25821/cx25821-video2.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -41,37 +41,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH02]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH02]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -101,17 +101,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH02] && h->video_dev[SRAM_CH02]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH02] && h->video_dev[SRAM_CH02]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -119,8 +119,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -128,9 +128,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH02;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -139,11 +139,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -157,15 +157,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO2))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO2))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -175,36 +175,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO2)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH02] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH02] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -219,13 +219,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO2)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO2);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO2);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -245,17 +245,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO2))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -268,14 +268,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO2);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -286,21 +286,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -308,33 +308,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH02, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH02, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH02] = 1;
+	dev->use_cif_resolution[SRAM_CH02] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH02] = 0;
     }
     dev->cif_width[SRAM_CH02]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH02 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH02 );
 
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
@@ -349,7 +349,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH02].count;
 
@@ -361,15 +361,15 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
     printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
 	       dev->name);
-    
+
     cx25821_call_all(dev, core, log_status);
-    
+
     tmp = cx_read(sram_ch->dma_ctl);
     printk(KERN_INFO "Video input 2 is %s\n", (tmp & 0x11)?"streaming" : "stopped");
     printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
@@ -381,10 +381,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-video3.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -41,37 +41,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH03]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH03]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -101,17 +101,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH03] && h->video_dev[SRAM_CH03]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH03] && h->video_dev[SRAM_CH03]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -119,8 +119,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -128,9 +128,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH03;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -139,11 +139,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -157,15 +157,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO3))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO3))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -175,36 +175,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO3)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH03] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH03] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -219,13 +219,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO3)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO3);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO3);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -245,17 +245,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO3))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -268,14 +268,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO3);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -286,21 +286,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -308,33 +308,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH03, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH03, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH03] = 1;
+	dev->use_cif_resolution[SRAM_CH03] = 1;
     }else
     {
-        dev->use_cif_resolution[SRAM_CH03] = 0;
+	dev->use_cif_resolution[SRAM_CH03] = 0;
     }
     dev->cif_width[SRAM_CH03]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH03 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH03 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -348,7 +348,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH03].count;
 
@@ -360,7 +360,7 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
@@ -379,10 +379,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-video4.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH04]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH04]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,17 +100,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH04] && h->video_dev[SRAM_CH04]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH04] && h->video_dev[SRAM_CH04]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -127,9 +127,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH04;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -137,11 +137,11 @@ static int video_open(struct file *file)
 
     v4l2_prio_open(&dev->prio,&fh->prio);
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -155,15 +155,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO4))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO4))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -173,36 +173,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO4)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH04] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH04] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -217,13 +217,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO4)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO4);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO4);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -243,17 +243,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO4))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -266,14 +266,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO4);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -284,21 +284,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
 
     // check priority
     if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -306,33 +306,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH04, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH04, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH04] = 1; 
+	dev->use_cif_resolution[SRAM_CH04] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH04] = 0;
     }
     dev->cif_width[SRAM_CH04]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH04); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH04);
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -346,7 +346,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH04].count;
 
@@ -358,7 +358,7 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
@@ -377,10 +377,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-video5.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH05]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH05]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,17 +100,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH05] && h->video_dev[SRAM_CH05]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH05] && h->video_dev[SRAM_CH05]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -127,9 +127,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH05;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -138,11 +138,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -156,15 +156,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO5))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO5))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -174,34 +174,34 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO5)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH05] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH05] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
 
     return 0;
@@ -218,13 +218,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO5)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO5);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO5);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -244,17 +244,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO5))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -267,14 +267,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO5);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -284,21 +284,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -306,33 +306,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH05, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH05, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH05] = 1;
+	dev->use_cif_resolution[SRAM_CH05] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH05] = 0;
     }
     dev->cif_width[SRAM_CH05]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH05 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH05 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -346,7 +346,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH05].count;
 
@@ -357,14 +357,14 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
     printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
 	       dev->name);
     cx25821_call_all(dev, core, log_status);
-    
+
     tmp = cx_read(sram_ch->dma_ctl);
     printk(KERN_INFO "Video input 5 is %s\n", (tmp & 0x11)?"streaming" : "stopped");
     printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
@@ -376,10 +376,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-video6.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH06]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH06]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,17 +100,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH06] && h->video_dev[SRAM_CH06]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH06] && h->video_dev[SRAM_CH06]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -127,9 +127,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = SRAM_CH06;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
@@ -138,11 +138,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -156,15 +156,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO6))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO6))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -174,36 +174,36 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO6)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-    {        
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH06] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+    {
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH06] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
-    
+
     return 0;
 }
 
@@ -218,12 +218,12 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO6)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO6);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO6);
     }
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -243,17 +243,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO6))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -266,14 +266,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO6);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -283,21 +283,21 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -305,33 +305,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH06, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH06, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH06] = 1;
+	dev->use_cif_resolution[SRAM_CH06] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH06] = 0;
     }
     dev->cif_width[SRAM_CH06]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH06 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH06 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -345,7 +345,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH06].count;
 
@@ -357,14 +357,14 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
     printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
 	       dev->name);
     cx25821_call_all(dev, core, log_status);
-    
+
     tmp = cx_read(sram_ch->dma_ctl);
     printk(KERN_INFO "Video input 6 is %s\n", (tmp & 0x11)?"streaming" : "stopped");
     printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
@@ -376,10 +376,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-video7.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -37,39 +37,39 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
     buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 
-        dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
+	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH07]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH07]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -99,17 +99,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH07] && h->video_dev[SRAM_CH07]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH07] && h->video_dev[SRAM_CH07]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -117,8 +117,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
     file->private_data = fh;
     fh->dev      = dev;
@@ -126,22 +126,22 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
-    dev->channel_opened = SRAM_CH07;        
+    dev->channel_opened = SRAM_CH07;
     pix_format          = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
     fh->fmt             = format_by_fourcc(pix_format);
 
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -155,15 +155,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO7))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO7))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -173,34 +173,34 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO7)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
     {
-        if( buf->vb.state == VIDEOBUF_DONE )
-        {            
-            struct cx25821_dev *dev = fh->dev;
-            
-            if( dev && dev->use_cif_resolution[SRAM_CH07] )
-            {
-                u8 cam_id = *((char*)buf->vb.baddr+3); 
-                memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));                      
-                *((char*)buf->vb.baddr+3) = cam_id;
-            }
-        }
-        
-        return POLLIN|POLLRDNORM;
+	if( buf->vb.state == VIDEOBUF_DONE )
+	{
+	    struct cx25821_dev *dev = fh->dev;
+
+	    if( dev && dev->use_cif_resolution[SRAM_CH07] )
+	    {
+		u8 cam_id = *((char*)buf->vb.baddr+3);
+		memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2));
+		*((char*)buf->vb.baddr+3) = cam_id;
+	    }
+	}
+
+	return POLLIN|POLLRDNORM;
     }
 
     return 0;
@@ -217,13 +217,13 @@ static int video_release(struct file *file)
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO7)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO7);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO7);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -243,17 +243,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO7))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -266,14 +266,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO7);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -283,13 +283,13 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
 {
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
-    int err;    
+    int err;
     int pix_format = 0;
-   
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
 	    return err;
     }
 
@@ -297,7 +297,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
 
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->vidq.field = f->fmt.pix.field;
@@ -305,33 +305,33 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     // check if width and height is valid based on set standard
     if (is_valid_width(f->fmt.pix.width, dev->tvnorm))
     {
-        fh->width      = f->fmt.pix.width;
+	fh->width      = f->fmt.pix.width;
     }
 
     if (is_valid_height(f->fmt.pix.height, dev->tvnorm))
     {
-        fh->height     = f->fmt.pix.height;
+	fh->height     = f->fmt.pix.height;
     }
 
     if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-        pix_format = PIXEL_FRMT_411;
+	pix_format = PIXEL_FRMT_411;
     else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-        pix_format = PIXEL_FRMT_422;
+	pix_format = PIXEL_FRMT_422;
     else
-        return -EINVAL;
+	return -EINVAL;
+
+    cx25821_set_pixel_format( dev, SRAM_CH07, pix_format );
 
-    cx25821_set_pixel_format( dev, SRAM_CH07, pix_format ); 
- 
     // check if cif resolution
     if (fh->width == 320 || fh->width == 352)
     {
-        dev->use_cif_resolution[SRAM_CH07] = 1;
+	dev->use_cif_resolution[SRAM_CH07] = 1;
     }else
     {
 	dev->use_cif_resolution[SRAM_CH07] = 0;
     }
     dev->cif_width[SRAM_CH07]          = fh->width;
-    medusa_set_resolution( dev, fh->width, SRAM_CH07 ); 
+    medusa_set_resolution( dev, fh->width, SRAM_CH07 );
 
     dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field);
     cx25821_call_all(dev, video, s_fmt, f);
@@ -345,7 +345,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
 
-    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 
+    ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 
     p->sequence = dev->vidq[SRAM_CH07].count;
 
@@ -356,14 +356,14 @@ static int vidioc_log_status (struct file *file, void *priv)
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     char name[32 + 2];
 
-    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07];  
+    struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07];
     u32 tmp = 0;
 
     snprintf(name, sizeof(name), "%s/2", dev->name);
     printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
 	       dev->name);
     cx25821_call_all(dev, core, log_status);
-    
+
     tmp = cx_read(sram_ch->dma_ctl);
     printk(KERN_INFO "Video input 7 is %s\n", (tmp & 0x11)?"streaming" : "stopped");
     printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
@@ -375,10 +375,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-        struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-        int err;
+	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+	int err;
 
-        if (fh) {
+	if (fh) {
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;

drivers/staging/cx25821/cx25821-videoioctl.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[VIDEO_IOCTL_CH]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[VIDEO_IOCTL_CH]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,18 +100,18 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->ioctl_dev && h->ioctl_dev->minor == minor)
-        {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->ioctl_dev && h->ioctl_dev->minor == minor)
+	{
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -119,8 +119,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -129,22 +129,22 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = VIDEO_IOCTL_CH;
     pix_format          = V4L2_PIX_FMT_YUYV;
     fh->fmt             = format_by_fourcc(pix_format);
-    
+
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -158,15 +158,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO_IOCTL))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO_IOCTL))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -176,22 +176,22 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO_IOCTL)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
-    if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)       
-        return POLLIN|POLLRDNORM;
-    
+    if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
+	return POLLIN|POLLRDNORM;
+
     return 0;
 }
 
@@ -199,17 +199,17 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
 static int video_release(struct file *file)
 {
     struct cx25821_fh *fh = file->private_data;
-    struct cx25821_dev *dev = fh->dev; 
+    struct cx25821_dev *dev = fh->dev;
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO_IOCTL)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO_IOCTL);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO_IOCTL);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -230,17 +230,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO_IOCTL))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -253,14 +253,14 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO_IOCTL);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
@@ -272,18 +272,18 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->width      = f->fmt.pix.width;
     fh->height     = f->fmt.pix.height;
@@ -299,8 +299,8 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
     return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
 }
 
-static long video_ioctl_set(struct file *file, unsigned int cmd, unsigned long arg)   
-{   
+static long video_ioctl_set(struct file *file, unsigned int cmd, unsigned long arg)
+{
     struct cx25821_fh *fh = file->private_data;
     struct cx25821_dev *dev = fh->dev;
     struct downstream_user_struct *data_from_user;
@@ -310,96 +310,96 @@ static long video_ioctl_set(struct file *file, unsigned int cmd, unsigned long a
     int cif_enable = 0, cif_width = 0;
     u32 value = 0;
 
-    
+
     data_from_user = (struct downstream_user_struct *)arg;
-    
+
     if( !data_from_user )
     {
-        printk("cx25821 in %s(): User data is INVALID. Returning.\n", __func__);
-        return 0;
+	printk("cx25821 in %s(): User data is INVALID. Returning.\n", __func__);
+	return 0;
     }
-    
+
     command = data_from_user->command;
-    
-    if( command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT && command != ENABLE_CIF_RESOLUTION  && 
-        command != REG_READ && command != REG_WRITE && command != MEDUSA_READ && command != MEDUSA_WRITE)
+
+    if( command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT && command != ENABLE_CIF_RESOLUTION  &&
+	command != REG_READ && command != REG_WRITE && command != MEDUSA_READ && command != MEDUSA_WRITE)
     {
-        return 0;
+	return 0;
     }
-                         
-                         
+
+
     switch(command)
-    {             
-        case SET_VIDEO_STD:    
-            dev->tvnorm = !strcmp(data_from_user->vid_stdname,"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;          
-            medusa_set_videostandard(dev);
-            break; 
-            
-        case SET_PIXEL_FORMAT:       
-            selected_channel    = data_from_user->decoder_select;  
-            pix_format          = data_from_user->pixel_format;
-
-            if( !(selected_channel <= 7 && selected_channel >= 0) )
-            {              
-                selected_channel -= 4;
-                selected_channel = selected_channel % 8;
-            }   
-            
-            if( selected_channel >= 0 )
-                cx25821_set_pixel_format( dev, selected_channel, pix_format ); 
-                           
-            break;
-            
-        case ENABLE_CIF_RESOLUTION:    
-            selected_channel    = data_from_user->decoder_select;
-            cif_enable          = data_from_user->cif_resolution_enable;
-            cif_width           = data_from_user->cif_width;            
-            
-            if( cif_enable )
-            {
-                if( dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK )
-                    width = 352;
-                else
-                    width = (cif_width == 320 || cif_width == 352) ? cif_width : 320;
-            }
-            
-            if( !(selected_channel <= 7 && selected_channel >= 0) )
-            {
-                selected_channel -= 4;
-                selected_channel = selected_channel % 8;   
-            }
-            
-            
-            if( selected_channel <= 7 && selected_channel >= 0 )
-            {
-                dev->use_cif_resolution[selected_channel] = cif_enable;
-                dev->cif_width[selected_channel]          = width;   
-            }        
-            else
-            {
-                for( i=0; i < VID_CHANNEL_NUM; i++ )
-                {
-                    dev->use_cif_resolution[i] = cif_enable;
-                    dev->cif_width[i]          = width;     
-                }
-            }         
-
-            medusa_set_resolution( dev, width, selected_channel );        
-            break;
-        case REG_READ:
-                data_from_user->reg_data = cx_read(data_from_user->reg_address);
-            break;
-        case REG_WRITE:
-                cx_write(data_from_user->reg_address, data_from_user->reg_data);
-            break;
-        case MEDUSA_READ:
-                value = cx25821_i2c_read(&dev->i2c_bus[0], (u16)data_from_user->reg_address, &data_from_user->reg_data);
-            break;
-        case MEDUSA_WRITE:
-                cx25821_i2c_write(&dev->i2c_bus[0], (u16)data_from_user->reg_address, data_from_user->reg_data);
-            break;
+    {
+	case SET_VIDEO_STD:
+	    dev->tvnorm = !strcmp(data_from_user->vid_stdname,"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
+	    medusa_set_videostandard(dev);
+	    break;
+
+	case SET_PIXEL_FORMAT:
+	    selected_channel    = data_from_user->decoder_select;
+	    pix_format          = data_from_user->pixel_format;
+
+	    if( !(selected_channel <= 7 && selected_channel >= 0) )
+	    {
+		selected_channel -= 4;
+		selected_channel = selected_channel % 8;
+	    }
+
+	    if( selected_channel >= 0 )
+		cx25821_set_pixel_format( dev, selected_channel, pix_format );
+
+	    break;
+
+	case ENABLE_CIF_RESOLUTION:
+	    selected_channel    = data_from_user->decoder_select;
+	    cif_enable          = data_from_user->cif_resolution_enable;
+	    cif_width           = data_from_user->cif_width;
+
+	    if( cif_enable )
+	    {
+		if( dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK )
+		    width = 352;
+		else
+		    width = (cif_width == 320 || cif_width == 352) ? cif_width : 320;
+	    }
+
+	    if( !(selected_channel <= 7 && selected_channel >= 0) )
+	    {
+		selected_channel -= 4;
+		selected_channel = selected_channel % 8;
+	    }
+
+
+	    if( selected_channel <= 7 && selected_channel >= 0 )
+	    {
+		dev->use_cif_resolution[selected_channel] = cif_enable;
+		dev->cif_width[selected_channel]          = width;
+	    }
+	    else
+	    {
+		for( i=0; i < VID_CHANNEL_NUM; i++ )
+		{
+		    dev->use_cif_resolution[i] = cif_enable;
+		    dev->cif_width[i]          = width;
+		}
+	    }
+
+	    medusa_set_resolution( dev, width, selected_channel );
+	    break;
+	case REG_READ:
+		data_from_user->reg_data = cx_read(data_from_user->reg_address);
+	    break;
+	case REG_WRITE:
+		cx_write(data_from_user->reg_address, data_from_user->reg_data);
+	    break;
+	case MEDUSA_READ:
+		value = cx25821_i2c_read(&dev->i2c_bus[0], (u16)data_from_user->reg_address, &data_from_user->reg_data);
+	    break;
+	case MEDUSA_WRITE:
+		cx25821_i2c_write(&dev->i2c_bus[0], (u16)data_from_user->reg_address, data_from_user->reg_data);
+	    break;
     }
-       
+
     return 0;
 }
 
@@ -423,12 +423,12 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
     struct cx25821_fh *fh = priv;
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
-    
-    if (fh) 
+
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
 	return 0;

drivers/staging/cx25821/cx25821-vidups10.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -41,37 +41,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH10]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH10]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -100,17 +100,17 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH10] && h->video_dev[SRAM_CH10]->minor == minor) {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH10] && h->video_dev[SRAM_CH10]->minor == minor) {
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -128,22 +128,22 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
+
 
-    
     dev->channel_opened = 9;
     fh->fmt             = format_by_fourcc(V4L2_PIX_FMT_YUYV);
 
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -157,15 +157,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO10))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO10))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -175,21 +175,21 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO10)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-        return POLLIN|POLLRDNORM;
+	return POLLIN|POLLRDNORM;
     return 0;
 }
 
@@ -199,17 +199,17 @@ static int video_release(struct file *file)
     struct cx25821_dev *dev = fh->dev;
 
     //stop the risc engine and fifo
-    //cx_write(channel10->dma_ctl, 0);  
+    //cx_write(channel10->dma_ctl, 0);
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO10)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO10);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO10);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -230,17 +230,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO10))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -253,61 +253,61 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO10);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
 
 
-static long video_ioctl_upstream10(struct file *file, unsigned int cmd, unsigned long arg) 
-{   
+static long video_ioctl_upstream10(struct file *file, unsigned int cmd, unsigned long arg)
+{
     struct cx25821_fh *fh = file->private_data;
     struct cx25821_dev *dev = fh->dev;
     int command = 0;
     struct upstream_user_struct *data_from_user;
-     
 
-    data_from_user = (struct upstream_user_struct *)arg;    
-    
+
+    data_from_user = (struct upstream_user_struct *)arg;
+
     if( !data_from_user )
     {
-        printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
-        return 0;
+	printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
+	return 0;
     }
-            
+
     command = data_from_user->command;
-    
+
     if( command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO )
     {
-        return 0;
+	return 0;
     }
-    
+
     dev->input_filename_ch2     = data_from_user->input_filename;
     dev->input_audiofilename    = data_from_user->input_filename;
     dev->vid_stdname_ch2        = data_from_user->vid_stdname;
     dev->pixel_format_ch2       = data_from_user->pixel_format;
     dev->channel_select_ch2     = data_from_user->channel_select;
     dev->command_ch2            = data_from_user->command;
-    
-    
+
+
     switch(command)
-    {   
-        case UPSTREAM_START_VIDEO:
-            cx25821_start_upstream_video_ch2(dev, data_from_user);
-            break;
-
-        case UPSTREAM_STOP_VIDEO:   
-            cx25821_stop_upstream_video_ch2(dev);
-            break;            
+    {
+	case UPSTREAM_START_VIDEO:
+	    cx25821_start_upstream_video_ch2(dev, data_from_user);
+	    break;
+
+	case UPSTREAM_STOP_VIDEO:
+	    cx25821_stop_upstream_video_ch2(dev);
+	    break;
     }
-       
+
     return 0;
 }
 
@@ -318,18 +318,18 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->width      = f->fmt.pix.width;
     fh->height     = f->fmt.pix.height;
@@ -366,11 +366,11 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     return 0;
@@ -384,7 +384,7 @@ static const struct v4l2_file_operations video_fops = {
     .read          = video_read,
     .poll          = video_poll,
     .mmap          = video_mmap,
-    .ioctl         = video_ioctl_upstream10, 
+    .ioctl         = video_ioctl_upstream10,
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {

drivers/staging/cx25821/cx25821-vidups9.c

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -40,37 +40,37 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
     dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
 
     if (!list_empty(&q->queued)) {
-        list_add_tail(&buf->vb.queue, &q->queued);
-        buf->vb.state = VIDEOBUF_QUEUED;
-        dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
+	list_add_tail(&buf->vb.queue, &q->queued);
+	buf->vb.state = VIDEOBUF_QUEUED;
+	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i);
 
     } else if (list_empty(&q->active)) {
-        list_add_tail(&buf->vb.queue, &q->active);
-        cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH09]);
-        buf->vb.state = VIDEOBUF_ACTIVE;
-        buf->count    = q->count++;
-        mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-        dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-                                buf, buf->vb. i, buf->count, q->count);
+	list_add_tail(&buf->vb.queue, &q->active);
+	cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH09]);
+	buf->vb.state = VIDEOBUF_ACTIVE;
+	buf->count    = q->count++;
+	mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+	dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
+				buf, buf->vb. i, buf->count, q->count);
     } else {
-        prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-        if (prev->vb.width  == buf->vb.width  &&
-            prev->vb.height == buf->vb.height &&
-            prev->fmt       == buf->fmt) {
-            list_add_tail(&buf->vb.queue, &q->active);
-            buf->vb.state = VIDEOBUF_ACTIVE;
-            buf->count    = q->count++;
-            prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-            /* 64 bit bits 63-32 */
-            prev->risc.jmp[2] = cpu_to_le32(0);
-            dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
-
-        } else {
-            list_add_tail(&buf->vb.queue, &q->queued);
-            buf->vb.state = VIDEOBUF_QUEUED;
-            dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
-        }
+	prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+	if (prev->vb.width  == buf->vb.width  &&
+	    prev->vb.height == buf->vb.height &&
+	    prev->fmt       == buf->fmt) {
+	    list_add_tail(&buf->vb.queue, &q->active);
+	    buf->vb.state = VIDEOBUF_ACTIVE;
+	    buf->count    = q->count++;
+	    prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+	    /* 64 bit bits 63-32 */
+	    prev->risc.jmp[2] = cpu_to_le32(0);
+	    dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n",  buf, buf->vb.i, buf->count);
+
+	} else {
+	    list_add_tail(&buf->vb.queue, &q->queued);
+	    buf->vb.state = VIDEOBUF_QUEUED;
+	    dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i);
+	}
     }
 
     if (list_empty(&q->active))
@@ -99,18 +99,18 @@ static int video_open(struct file *file)
     lock_kernel();
     list_for_each(list, &cx25821_devlist)
     {
-        h = list_entry(list, struct cx25821_dev, devlist);
+	h = list_entry(list, struct cx25821_dev, devlist);
 
-        if (h->video_dev[SRAM_CH09] && h->video_dev[SRAM_CH09]->minor == minor)
-        {
-            dev  = h;
-            type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        }
+	if (h->video_dev[SRAM_CH09] && h->video_dev[SRAM_CH09]->minor == minor)
+	{
+	    dev  = h;
+	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	}
     }
 
     if (NULL == dev) {
-        unlock_kernel();
-        return -ENODEV;
+	unlock_kernel();
+	return -ENODEV;
     }
 
     printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
@@ -118,8 +118,8 @@ static int video_open(struct file *file)
     /* allocate + initialize per filehandle data */
     fh = kzalloc(sizeof(*fh), GFP_KERNEL);
     if (NULL == fh) {
-        unlock_kernel();
-        return -ENOMEM;
+	unlock_kernel();
+	return -ENOMEM;
     }
 
     file->private_data = fh;
@@ -128,9 +128,9 @@ static int video_open(struct file *file)
     fh->width    = 720;
 
     if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-        fh->height = 576;
+	fh->height = 576;
     else
-        fh->height = 480;
+	fh->height = 480;
 
     dev->channel_opened = 8;
     fh->fmt             = format_by_fourcc(V4L2_PIX_FMT_YUYV);
@@ -138,11 +138,11 @@ static int video_open(struct file *file)
     v4l2_prio_open(&dev->prio,&fh->prio);
 
     videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-                &dev->pci->dev, &dev->slock,
-                V4L2_BUF_TYPE_VIDEO_CAPTURE,
-                V4L2_FIELD_INTERLACED,
-                sizeof(struct cx25821_buffer),
-                fh);
+		&dev->pci->dev, &dev->slock,
+		V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		V4L2_FIELD_INTERLACED,
+		sizeof(struct cx25821_buffer),
+		fh);
 
     dprintk(1, "post videobuf_queue_init()\n");
     unlock_kernel();
@@ -156,15 +156,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
 
     switch (fh->type)
     {
-        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-            if (res_locked(fh->dev, RESOURCE_VIDEO9))
-                return -EBUSY;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	    if (res_locked(fh->dev, RESOURCE_VIDEO9))
+		return -EBUSY;
 
-            return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
+	    return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK);
 
-        default:
-            BUG();
-            return 0;
+	default:
+	    BUG();
+	    return 0;
     }
 }
 
@@ -174,21 +174,21 @@ static unsigned int video_poll(struct file *file, struct poll_table_struct *wait
     struct cx25821_buffer *buf;
 
     if (res_check(fh, RESOURCE_VIDEO9)) {
-        /* streaming capture */
-        if (list_empty(&fh->vidq.stream))
-            return POLLERR;
-        buf = list_entry(fh->vidq.stream.next,
-            struct cx25821_buffer, vb.stream);
+	/* streaming capture */
+	if (list_empty(&fh->vidq.stream))
+	    return POLLERR;
+	buf = list_entry(fh->vidq.stream.next,
+	    struct cx25821_buffer, vb.stream);
     } else {
-        /* read() capture */
-        buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-        if (NULL == buf)
-            return POLLERR;
+	/* read() capture */
+	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+	if (NULL == buf)
+	    return POLLERR;
     }
 
     poll_wait(file, &buf->vb.done, wait);
     if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-        return POLLIN|POLLRDNORM;
+	return POLLIN|POLLRDNORM;
     return 0;
 }
 
@@ -199,17 +199,17 @@ static int video_release(struct file *file)
     struct cx25821_dev *dev = fh->dev;
 
     //stop the risc engine and fifo
-    //cx_write(channel9->dma_ctl, 0); 
+    //cx_write(channel9->dma_ctl, 0);
 
     /* stop video capture */
     if (res_check(fh, RESOURCE_VIDEO9)) {
-        videobuf_queue_cancel(&fh->vidq);
-        res_free(dev, fh, RESOURCE_VIDEO9);
+	videobuf_queue_cancel(&fh->vidq);
+	res_free(dev, fh, RESOURCE_VIDEO9);
     }
 
     if (fh->vidq.read_buf) {
-        buffer_release(&fh->vidq, fh->vidq.read_buf);
-        kfree(fh->vidq.read_buf);
+	buffer_release(&fh->vidq, fh->vidq.read_buf);
+	kfree(fh->vidq.read_buf);
     }
 
     videobuf_mmap_free(&fh->vidq);
@@ -230,17 +230,17 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 
     if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(i != fh->type))
     {
-        return -EINVAL;
+	return -EINVAL;
     }
 
     if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO9))))
     {
-        return -EBUSY;
+	return -EBUSY;
     }
 
     return videobuf_streamon(get_queue(fh));
@@ -253,62 +253,62 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
     int err, res;
 
     if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-        return -EINVAL;
+	return -EINVAL;
     if (i != fh->type)
-        return -EINVAL;
+	return -EINVAL;
 
     res = get_resource(fh, RESOURCE_VIDEO9);
     err = videobuf_streamoff(get_queue(fh));
     if (err < 0)
-        return err;
+	return err;
     res_free(dev, fh, res);
     return 0;
 }
 
- 
-static long video_ioctl_upstream9(struct file *file, unsigned int cmd, unsigned long arg)    
-{   
+
+static long video_ioctl_upstream9(struct file *file, unsigned int cmd, unsigned long arg)
+{
     struct cx25821_fh *fh = file->private_data;
     struct cx25821_dev *dev = fh->dev;
     int command = 0;
     struct upstream_user_struct *data_from_user;
-        
-    
+
+
     data_from_user = (struct upstream_user_struct *)arg;
-    
+
     if( !data_from_user )
     {
-        printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
-        return 0;
+	printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__);
+	return 0;
     }
-      
-    command = data_from_user->command;    
-        
+
+    command = data_from_user->command;
+
     if( command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO )
     {
-        return 0;
+	return 0;
     }
-    
-    
+
+
     dev->input_filename      = data_from_user->input_filename;
     dev->input_audiofilename = data_from_user->input_filename;
     dev->vid_stdname         = data_from_user->vid_stdname;
     dev->pixel_format        = data_from_user->pixel_format;
     dev->channel_select      = data_from_user->channel_select;
     dev->command             = data_from_user->command;
-    
- 
+
+
     switch(command)
-    {   
-        case UPSTREAM_START_VIDEO:
-            cx25821_start_upstream_video_ch1(dev, data_from_user);
-            break;
-            
-        case UPSTREAM_STOP_VIDEO:   
-            cx25821_stop_upstream_video_ch1(dev);
-            break;            
+    {
+	case UPSTREAM_START_VIDEO:
+	    cx25821_start_upstream_video_ch1(dev, data_from_user);
+	    break;
+
+	case UPSTREAM_STOP_VIDEO:
+	    cx25821_stop_upstream_video_ch1(dev);
+	    break;
     }
-       
+
     return 0;
 }
 
@@ -319,18 +319,18 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_forma
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     int err;
 
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     dprintk(2, "%s()\n", __func__);
     err = vidioc_try_fmt_vid_cap(file, priv, f);
 
     if (0 != err)
-        return err;
+	return err;
     fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
     fh->width      = f->fmt.pix.width;
     fh->height     = f->fmt.pix.height;
@@ -365,11 +365,11 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
     struct cx25821_dev *dev  = ((struct cx25821_fh *)priv)->dev;
     struct cx25821_fh *fh = priv;
     int err;
-    if (fh) 
+    if (fh)
     {
-        err = v4l2_prio_check(&dev->prio, &fh->prio);
-        if (0 != err)
-            return err;
+	err = v4l2_prio_check(&dev->prio, &fh->prio);
+	if (0 != err)
+	    return err;
     }
 
     return 0;
@@ -382,7 +382,7 @@ static const struct v4l2_file_operations video_fops = {
     .read          = video_read,
     .poll          = video_poll,
     .mmap          = video_mmap,
-    .ioctl         = video_ioctl_upstream9,  
+    .ioctl         = video_ioctl_upstream9,
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {

drivers/staging/cx25821/cx25821.h

@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX25821 PCIe bridge
  *
- *  Copyright (C) 2009 Conexant Systems Inc. 
+ *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
  *
@@ -35,7 +35,7 @@
 #include <linux/smp_lock.h>
 
 #include <media/v4l2-common.h>
-#include <media/v4l2-device.h>  
+#include <media/v4l2-device.h>
 #include <media/tuner.h>
 #include <media/tveeprom.h>
 #include <media/videobuf-dma-sg.h>
@@ -62,7 +62,7 @@
 #define FALSE   0
 #define LINE_SIZE_D1    1440
 
-// Number of decoders and encoders 
+// Number of decoders and encoders
 #define MAX_DECODERS            8
 #define MAX_ENCODERS            2
 #define QUAD_DECODERS           4
@@ -91,7 +91,7 @@
 #define UNKNOWN_BOARD       0
 #define CX25821_BOARD        1
 
-/* Currently supported by the driver */ 
+/* Currently supported by the driver */
 #define CX25821_NORMS (\
     V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
     V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
@@ -292,7 +292,7 @@ struct cx25821_dev {
     struct cx25821_data        timeout_data[MAX_VID_CHANNEL_NUM];
 
     /* Analog Audio Upstream */
-    int _audio_is_running;  
+    int _audio_is_running;
     int _audiopixel_format;
     int _is_first_audio_frame;
     int _audiofile_status;
@@ -311,7 +311,7 @@ struct cx25821_dev {
     unsigned int _audiodata_buf_size;
     __le32 *     _audiodata_buf_virt_addr;
     dma_addr_t   _audiodata_buf_phys_addr;
-    char *_audiofilename;           
+    char *_audiofilename;
 
     /* V4l */
     u32                        freq;
@@ -322,7 +322,7 @@ struct cx25821_dev {
 
     struct cx25821_dmaqueue    vidq[MAX_VID_CHANNEL_NUM];
     spinlock_t                 slock;
-    
+
     /* Video Upstream */
     int _line_size;
     int _prog_cnt;
@@ -343,8 +343,8 @@ struct cx25821_dev {
     unsigned int _data_buf_size;
     __le32 *     _data_buf_virt_addr;
     dma_addr_t   _data_buf_phys_addr;
-    char * _filename;       
-    char * _defaultname;      
+    char * _filename;
+    char * _defaultname;
 
 
     int _line_size_ch2;
@@ -366,8 +366,8 @@ struct cx25821_dev {
     unsigned int _data_buf_size_ch2;
     __le32 *     _data_buf_virt_addr_ch2;
     dma_addr_t   _data_buf_phys_addr_ch2;
-    char * _filename_ch2;    
-    char * _defaultname_ch2; 
+    char * _filename_ch2;
+    char * _defaultname_ch2;
 
     /* MPEG Encoder ONLY settings */
     u32                        cx23417_mailbox;
@@ -375,26 +375,26 @@ struct cx25821_dev {
     struct video_device        *v4l_device;
     atomic_t                   v4l_reader_count;
     struct cx25821_tvnorm      encodernorm;
-    
+
     u32                        upstream_riscbuf_size;
     u32                        upstream_databuf_size;
     u32                        upstream_riscbuf_size_ch2;
     u32                        upstream_databuf_size_ch2;
     u32                        audio_upstream_riscbuf_size;
     u32                        audio_upstream_databuf_size;
-    int                        _isNTSC;    
-    int                        _frame_index;     
-    int                        _audioframe_index;  
-    struct workqueue_struct *  _irq_queues;       
-    struct work_struct         _irq_work_entry;         
-    struct workqueue_struct *  _irq_queues_ch2;       
-    struct work_struct         _irq_work_entry_ch2;         
-    struct workqueue_struct *  _irq_audio_queues;       
-    struct work_struct         _audio_work_entry; 
+    int                        _isNTSC;
+    int                        _frame_index;
+    int                        _audioframe_index;
+    struct workqueue_struct *  _irq_queues;
+    struct work_struct         _irq_work_entry;
+    struct workqueue_struct *  _irq_queues_ch2;
+    struct work_struct         _irq_work_entry_ch2;
+    struct workqueue_struct *  _irq_audio_queues;
+    struct work_struct         _audio_work_entry;
     char *input_filename;
     char *input_filename_ch2;
-    int  _frame_index_ch2;  
-    int  _isNTSC_ch2;    
+    int  _frame_index_ch2;
+    int  _isNTSC_ch2;
     char *vid_stdname_ch2;
     int pixel_format_ch2;
     int channel_select_ch2;
@@ -439,7 +439,7 @@ static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
 
 #define cx25821_call_all(dev, o, f, args...) \
     v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
-    
+
 extern struct list_head cx25821_devlist;
 extern struct cx25821_board cx25821_boards[];
 extern struct cx25821_subid cx25821_subids[];
@@ -487,16 +487,16 @@ struct sram_channel {
     u32  aud_cfg;
     u32  fld_aud_fifo_en;
     u32  fld_aud_risc_en;
-    
+
     //For Upstream Video
     u32  vid_fmt_ctl;
     u32  vid_active_ctl1;
     u32  vid_active_ctl2;
     u32  vid_cdt_size;
-    
+
     u32  vip_ctl;
     u32  pix_frmt;
-    u32  jumponly;    
+    u32  jumponly;
     u32  irq_bit;
 };
 extern struct sram_channel cx25821_sram_channels[];
@@ -529,9 +529,9 @@ extern int  cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
 extern int  cx25821_i2c_unregister(struct cx25821_i2c *bus);
 extern void cx25821_gpio_init(struct cx25821_dev *dev);
 extern void cx25821_set_gpiopin_direction( struct cx25821_dev *dev,
-                                           int    pin_number,
-                                           int    pin_logic_value);
-                                 
+					   int    pin_number,
+					   int    pin_logic_value);
+
 extern int  medusa_video_init(struct cx25821_dev *dev);
 extern int  medusa_set_videostandard(struct cx25821_dev *dev);
 extern void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_select);
@@ -543,18 +543,18 @@ extern int  medusa_set_saturation(struct cx25821_dev *dev, int saturation, int d
 extern int  cx25821_sram_channel_setup(struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc);
 
 extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
-                   struct scatterlist *sglist, 
-                   unsigned int top_offset,
-                   unsigned int bottom_offset, 
-                   unsigned int bpl,
-                   unsigned int padding, 
-                   unsigned int lines);
+		   struct scatterlist *sglist,
+		   unsigned int top_offset,
+		   unsigned int bottom_offset,
+		   unsigned int bpl,
+		   unsigned int padding,
+		   unsigned int lines);
 extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
-                   struct btcx_riscmem *risc,
-                   struct scatterlist *sglist,
-                   unsigned int bpl,
-                   unsigned int lines,
-                   unsigned int lpi);           
+		   struct btcx_riscmem *risc,
+		   struct scatterlist *sglist,
+		   unsigned int bpl,
+		   unsigned int lines,
+		   unsigned int lpi);
 extern void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf);
 extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,u32 reg, u32 mask, u32 value);
 extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch);
@@ -565,26 +565,26 @@ extern struct cx25821_dev* cx25821_dev_get(struct pci_dev *pci);
 extern void cx25821_print_irqbits(char *name, char *tag, char **strings, int len, u32 bits, u32 mask);
 extern void cx25821_dev_unregister(struct cx25821_dev *dev);
 extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
-                   struct sram_channel *ch,
-                   unsigned int bpl, u32 risc);
-                   
+		   struct sram_channel *ch,
+		   unsigned int bpl, u32 risc);
+
 extern int  cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, int pixel_format);
 extern int  cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, int pixel_format);
 extern int  cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select);
-extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);            
-extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);             
-extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);   
-extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, struct upstream_user_struct *up_data);  
-extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, struct upstream_user_struct *up_data);  
-extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, struct upstream_user_struct *up_data);    
-extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);    
-extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);  
-extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev); 
+extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
+extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
+extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
+extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
+extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
+extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
+extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
+extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
+extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
 extern int  cx25821_sram_channel_setup_upstream( struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc);
 extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, u32 format);
 extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
 extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
-                    struct pci_dev *pci,
-                    struct video_device *template,
-                    char *type);
+		    struct pci_dev *pci,
+		    struct video_device *template,
+		    char *type);
 #endif