[ALSA] Optimize for config without PROC_FS (seq and oss parts)

Modules: ALSA<-OSS emulation,ALSA sequencer,ALSA<-OSS sequencer

Optimize the code when compiled without CONFIG_PROC_FS (in seq and oss
emulation parts).

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/core/oss/mixer_oss.c

@@ -1053,6 +1053,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 /*
  */
 #define MIXER_VOL(name) [SOUND_MIXER_##name] = #name
@@ -1200,6 +1201,10 @@ static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
 		mixer->proc_entry = NULL;
 	}
 }
+#else /* !CONFIG_PROC_FS */
+#define snd_mixer_oss_proc_init(mix)
+#define snd_mixer_oss_proc_done(mix)
+#endif /* CONFIG_PROC_FS */
 
 static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
 {

sound/core/oss/pcm_oss.c

@@ -2269,6 +2269,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 /*
  *  /proc interface
  */
@@ -2420,6 +2421,10 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm)
 		}
 	}
 }
+#else /* !CONFIG_PROC_FS */
+#define snd_pcm_oss_proc_init(pcm)
+#define snd_pcm_oss_proc_done(pcm)
+#endif /* CONFIG_PROC_FS */
 
 /*
  *  ENTRY functions

sound/core/seq/oss/seq_oss.c

@@ -52,8 +52,13 @@ int seq_oss_debug = 0;
  */
 static int register_device(void);
 static void unregister_device(void);
+#ifdef CONFIG_PROC_FS
 static int register_proc(void);
 static void unregister_proc(void);
+#else
+static inline int register_proc(void) { return 0; }
+static inline void unregister_proc(void) {}
+#endif
 
 static int odev_open(struct inode *inode, struct file *file);
 static int odev_release(struct inode *inode, struct file *file);
@@ -61,9 +66,6 @@ static ssize_t odev_read(struct file *file, char __user *buf, size_t count, loff
 static ssize_t odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offset);
 static long odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 static unsigned int odev_poll(struct file *file, poll_table * wait);
-#ifdef CONFIG_PROC_FS
-static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buf);
-#endif
 
 
 /*
@@ -276,12 +278,10 @@ info_read(struct snd_info_entry *entry, struct snd_info_buffer *buf)
 	up(&register_mutex);
 }
 
-#endif /* CONFIG_PROC_FS */
 
 static int __init
 register_proc(void)
 {
-#ifdef CONFIG_PROC_FS
 	struct snd_info_entry *entry;
 
 	entry = snd_info_create_module_entry(THIS_MODULE, SNDRV_SEQ_OSS_PROCNAME, snd_seq_root);
@@ -297,16 +297,14 @@ register_proc(void)
 		return -ENOMEM;
 	}
 	info_entry = entry;
-#endif
 	return 0;
 }
 
 static void
 unregister_proc(void)
 {
-#ifdef CONFIG_PROC_FS
 	if (info_entry)
 		snd_info_unregister(info_entry);
 	info_entry = NULL;
-#endif
 }
+#endif /* CONFIG_PROC_FS */

sound/core/seq/oss/seq_oss_init.c

@@ -502,6 +502,7 @@ snd_seq_oss_reset(struct seq_oss_devinfo *dp)
 }
 
 
+#ifdef CONFIG_PROC_FS
 /*
  * misc. functions for proc interface
  */
@@ -552,4 +553,4 @@ snd_seq_oss_system_info_read(struct snd_info_buffer *buf)
 			snd_seq_oss_readq_info_read(dp->readq, buf);
 	}
 }
-
+#endif /* CONFIG_PROC_FS */

sound/core/seq/oss/seq_oss_midi.c

@@ -668,6 +668,7 @@ snd_seq_oss_midi_make_info(struct seq_oss_devinfo *dp, int dev, struct midi_info
 }
 
 
+#ifdef CONFIG_PROC_FS
 /*
  * proc interface
  */
@@ -707,4 +708,4 @@ snd_seq_oss_midi_info_read(struct snd_info_buffer *buf)
 		snd_use_lock_free(&mdev->use_lock);
 	}
 }
-
+#endif /* CONFIG_PROC_FS */

sound/core/seq/oss/seq_oss_readq.c

@@ -222,6 +222,7 @@ snd_seq_oss_readq_put_timestamp(struct seq_oss_readq *q, unsigned long curt, int
 }
 
 
+#ifdef CONFIG_PROC_FS
 /*
  * proc interface
  */
@@ -232,3 +233,4 @@ snd_seq_oss_readq_info_read(struct seq_oss_readq *q, struct snd_info_buffer *buf
 		    (waitqueue_active(&q->midi_sleep) ? "sleeping":"running"),
 		    q->qlen, q->input_time);
 }
+#endif /* CONFIG_PROC_FS */

sound/core/seq/oss/seq_oss_synth.c

@@ -621,6 +621,7 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in
 }
 
 
+#ifdef CONFIG_PROC_FS
 /*
  * proc interface
  */
@@ -648,4 +649,4 @@ snd_seq_oss_synth_info_read(struct snd_info_buffer *buf)
 		snd_use_lock_free(&rec->use_lock);
 	}
 }
-
+#endif /* CONFIG_PROC_FS */

sound/core/seq/seq_clientmgr.c

@@ -2413,6 +2413,7 @@ int snd_seq_kernel_client_write_poll(int clientid, struct file *file, poll_table
 
 /*---------------------------------------------------------------------------*/
 
+#ifdef CONFIG_PROC_FS
 /*
  *  /proc interface
  */
@@ -2518,7 +2519,7 @@ void snd_seq_info_clients_read(struct snd_info_entry *entry,
 		snd_seq_client_unlock(client);
 	}
 }
-
+#endif /* CONFIG_PROC_FS */
 
 /*---------------------------------------------------------------------------*/
 

sound/core/seq/seq_device.c

@@ -78,7 +78,9 @@ struct ops_list {
 static LIST_HEAD(opslist);
 static int num_ops;
 static DECLARE_MUTEX(ops_mutex);
+#ifdef CONFIG_PROC_FS
 static struct snd_info_entry *info_entry = NULL;
+#endif
 
 /*
  * prototypes
@@ -100,6 +102,7 @@ static void remove_drivers(void);
  * show all drivers and their status
  */
 
+#ifdef CONFIG_PROC_FS
 static void snd_seq_device_info(struct snd_info_entry *entry,
 				struct snd_info_buffer *buffer)
 {
@@ -117,6 +120,7 @@ static void snd_seq_device_info(struct snd_info_entry *entry,
 	}
 	up(&ops_mutex);	
 }
+#endif
  
 /*
  * load all registered drivers (called from seq_clientmgr.c)
@@ -544,6 +548,7 @@ static void unlock_driver(struct ops_list *ops)
 
 static int __init alsa_seq_device_init(void)
 {
+#ifdef CONFIG_PROC_FS
 	info_entry = snd_info_create_module_entry(THIS_MODULE, "drivers",
 						  snd_seq_root);
 	if (info_entry == NULL)
@@ -555,13 +560,16 @@ static int __init alsa_seq_device_init(void)
 		snd_info_free_entry(info_entry);
 		return -ENOMEM;
 	}
+#endif
 	return 0;
 }
 
 static void __exit alsa_seq_device_exit(void)
 {
 	remove_drivers();
+#ifdef CONFIG_PROC_FS
 	snd_info_unregister(info_entry);
+#endif
 	if (num_ops)
 		snd_printk(KERN_ERR "drivers not released (%d)\n", num_ops);
 }

sound/core/seq/seq_info.c

@@ -27,7 +27,7 @@
 #include "seq_clientmgr.h"
 #include "seq_timer.h"
 
-
+#ifdef CONFIG_PROC_FS
 static struct snd_info_entry *queues_entry;
 static struct snd_info_entry *clients_entry;
 static struct snd_info_entry *timer_entry;
@@ -52,7 +52,6 @@ create_info_entry(char *name, int size, void (*read)(struct snd_info_entry *,
 	return entry;
 }
 
-
 /* create all our /proc entries */
 int __init snd_seq_info_init(void)
 {
@@ -66,11 +65,9 @@ int __init snd_seq_info_init(void)
 
 int __exit snd_seq_info_done(void)
 {
-	if (queues_entry)
-		snd_info_unregister(queues_entry);
-	if (clients_entry)
-		snd_info_unregister(clients_entry);
-	if (timer_entry)
-		snd_info_unregister(timer_entry);
+	snd_info_unregister(queues_entry);
+	snd_info_unregister(clients_entry);
+	snd_info_unregister(timer_entry);
 	return 0;
 }
+#endif

sound/core/seq/seq_info.h

@@ -29,8 +29,12 @@ void snd_seq_info_timer_read(struct snd_info_entry *entry, struct snd_info_buffe
 void snd_seq_info_queues_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer);
 
 
+#ifdef CONFIG_PROC_FS
 int snd_seq_info_init( void );
 int snd_seq_info_done( void );
-
+#else
+static inline int snd_seq_info_init(void) { return 0; }
+static inline int snd_seq_info_done(void) { return 0; }
+#endif
 
 #endif

sound/core/seq/seq_queue.c

@@ -756,6 +756,7 @@ int snd_seq_control_queue(struct snd_seq_event *ev, int atomic, int hop)
 
 /*----------------------------------------------------------------*/
 
+#ifdef CONFIG_PROC_FS
 /* exported to seq_info.c */
 void snd_seq_info_queues_read(struct snd_info_entry *entry, 
 			      struct snd_info_buffer *buffer)
@@ -789,3 +790,5 @@ void snd_seq_info_queues_read(struct snd_info_entry *entry,
 		queuefree(q);
 	}
 }
+#endif /* CONFIG_PROC_FS */
+

sound/core/seq/seq_timer.c

@@ -425,6 +425,7 @@ snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr)
 }
 
 
+#ifdef CONFIG_PROC_FS
 /* exported to seq_info.c */
 void snd_seq_info_timer_read(struct snd_info_entry *entry,
 			     struct snd_info_buffer *buffer)
@@ -451,3 +452,5 @@ void snd_seq_info_timer_read(struct snd_info_entry *entry,
 		queuefree(q);
  	}
 }
+#endif /* CONFIG_PROC_FS */
+