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
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 5381f6d..47f21a3 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;