From: Douglas Schilling Landgraf <dougsland@redhat.com>
Date: Sun, 8 Feb 2009 04:38:10 +0000 (-0300)
Subject: V4L/DVB (10523): em28xx-audio: Add macros EM28XX_START_AUDIO / EM28XX_STOP_AUDIO
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=22cff7b381eca256d2afb460b3b9815f83810011;p=linux-2.6-omap-h63xx.git

V4L/DVB (10523): em28xx-audio: Add macros EM28XX_START_AUDIO / EM28XX_STOP_AUDIO

Added macros EM28XX_START_AUDIO and EM28XX_STOP_AUDIO for em28xx_cmd().

Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index 05d145f78b6..abbf9ee0d39 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -224,10 +224,10 @@ static int em28xx_cmd(struct em28xx *dev, int cmd, int arg)
 
 	switch (cmd) {
 	case EM28XX_CAPTURE_STREAM_EN:
-		if (dev->adev.capture_stream == STREAM_OFF && arg == 1) {
+		if (dev->adev.capture_stream == STREAM_OFF && arg == EM28XX_START_AUDIO) {
 			dev->adev.capture_stream = STREAM_ON;
 			em28xx_init_audio_isoc(dev);
-		} else if (dev->adev.capture_stream == STREAM_ON && arg == 0) {
+		} else if (dev->adev.capture_stream == STREAM_ON && arg == EM28XX_STOP_AUDIO) {
 			dev->adev.capture_stream = STREAM_OFF;
 			em28xx_deinit_isoc_audio(dev);
 		} else {
@@ -369,7 +369,7 @@ static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream)
 	dprintk("Stop capture, if needed\n");
 
 	if (dev->adev.capture_stream == STREAM_ON)
-		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 0);
+		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_STOP_AUDIO);
 
 	return 0;
 }
@@ -391,11 +391,11 @@ static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,
 	spin_lock(&dev->adev.slock);
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 1);
+		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_START_AUDIO);
 		retval = 0;
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 0);
+		em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_STOP_AUDIO);
 		retval = 0;
 		break;
 	default:
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 11f0db65026..6844b98e1b6 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -113,6 +113,10 @@
 #define EM28XX_BOARD_NOT_VALIDATED 1
 #define EM28XX_BOARD_VALIDATED	   0
 
+/* Params for em28xx_cmd() audio */
+#define EM28XX_START_AUDIO      1
+#define EM28XX_STOP_AUDIO       0
+
 /* maximum number of em28xx boards */
 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */