[media] saa7164: Implement resolution control firmware command

.. also fix a minor line 80 wrapping coding style issue.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7164/saa7164-api.c

@@ -63,6 +63,12 @@ int saa7164_api_set_encoder(struct saa7164_port *port)
 	if (ret != SAA_OK)
 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
 
+	/* Resolution */
+	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
+		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
+	if (ret != SAA_OK)
+		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+
 	/* Establish video bitrates */
 	if (port->encoder_params.bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
 		vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_CONSTANT;
@@ -110,6 +116,11 @@ int saa7164_api_get_encoder(struct saa7164_port *port)
 	if (ret != SAA_OK)
 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
 
+	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
+		EU_VIDEO_RESOLUTION_CONTROL, sizeof(u8), &port->video_resolution);
+	if (ret != SAA_OK)
+		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+
 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
 		EU_VIDEO_FORMAT_CONTROL, sizeof(u8), &port->video_format);
 	if (ret != SAA_OK)

drivers/media/video/saa7164/saa7164-core.c

@@ -339,7 +339,8 @@ static void saa7164_work_enchandler(struct work_struct *w)
 
 				if (buf->actual_size <= ubuf->actual_size) {
 
-					memcpy_fromio(ubuf->data, buf->cpu, ubuf->actual_size);
+					memcpy_fromio(ubuf->data, port->shadow_buf[rp],
+						ubuf->actual_size);
 
 					/* Throw a new checksum on the read buffer */
 					ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size);

drivers/media/video/saa7164/saa7164-reg.h

@@ -205,6 +205,7 @@
 #define EU_PROFILE_CONTROL		0x00
 #define EU_VIDEO_FORMAT_CONTROL		0x01
 #define EU_VIDEO_BIT_RATE_CONTROL	0x02
+#define EU_VIDEO_RESOLUTION_CONTROL	0x03
 #define EU_VIDEO_GOP_STRUCTURE_CONTROL	0x04
 #define EU_VIDEO_INPUT_ASPECT_CONTROL	0x0A
 #define EU_AUDIO_FORMAT_CONTROL		0x0C