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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-06-19 13:39:31 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-27 17:53:04 -0300
commitdff0f8c279e34089128e9687d77bfc72dbb471bd (patch)
tree04ba0d2f27da5fe363dc1a0890bfb94219ee638c /drivers/media/video/em28xx
parentdebb7241498001a0da10ee01b72f9ec1f9b1edc8 (diff)
[media] em28xx-audio: Some Alsa API fixes
Mark the alsa stream with SNDRV_PCM_INFO_BATCH, as the timing to get audio streams can vary. Also, add SNDRV_PCM_TRIGGER for pause/release. while here, fix the stop indicator, to be sure that audio will be properly released at the stop events. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index 5381f6d7427d..47f21a382546 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -249,6 +249,7 @@ static struct snd_pcm_hardware snd_em28xx_hw_capture = {
.info = SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_MMAP_VALID,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
@@ -401,11 +402,15 @@ static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,
int retval = 0;
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */
+ case SNDRV_PCM_TRIGGER_RESUME: /* fall through */
case SNDRV_PCM_TRIGGER_START:
atomic_set(&dev->stream_started, 1);
break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */
+ case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */
case SNDRV_PCM_TRIGGER_STOP:
- atomic_set(&dev->stream_started, 1);
+ atomic_set(&dev->stream_started, 0);
break;
default:
retval = -EINVAL;