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 05d145f..abbf9ee 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -224,10 +224,10 @@
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 @@
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 @@
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 11f0db6..6844b98 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 */