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

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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>
This commit is contained in:
Douglas Schilling Landgraf 2009-02-08 01:38:10 -03:00 committed by Mauro Carvalho Chehab
parent 5c030de475
commit 22cff7b381
2 changed files with 9 additions and 5 deletions
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10
drivers/media/video/em28xx/em28xx-audio.c
View file

@ -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:

4
drivers/media/video/em28xx/em28xx.h
View file

@ -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 */