diff options
Diffstat (limited to 'drivers/media/video/tm6000/tm6000-alsa.c')
| -rw-r--r-- | drivers/media/video/tm6000/tm6000-alsa.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/video/tm6000/tm6000-alsa.c b/drivers/media/video/tm6000/tm6000-alsa.c index bb2047c10358..bd07ec707956 100644 --- a/drivers/media/video/tm6000/tm6000-alsa.c +++ b/drivers/media/video/tm6000/tm6000-alsa.c @@ -146,20 +146,21 @@ static int dsp_buffer_alloc(struct snd_pcm_substream *substream, int size) #define DEFAULT_FIFO_SIZE 4096 static struct snd_pcm_hardware snd_tm6000_digital_hw = { - .info = SNDRV_PCM_INFO_MMAP | + .info = SNDRV_PCM_INFO_BATCH | + SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID, .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_KNOT, .rate_min = 48000, .rate_max = 48000, .channels_min = 2, .channels_max = 2, .period_bytes_min = 64, .period_bytes_max = 12544, - .periods_min = 1, + .periods_min = 2, .periods_max = 98, .buffer_bytes_max = 62720 * 8, }; @@ -181,6 +182,7 @@ static int snd_tm6000_pcm_open(struct snd_pcm_substream *substream) chip->substream = substream; runtime->hw = snd_tm6000_digital_hw; + snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); return 0; _error: @@ -347,9 +349,13 @@ static int snd_tm6000_card_trigger(struct snd_pcm_substream *substream, int cmd) int err = 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(&core->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(&core->stream_started, 0); break; @@ -371,6 +377,14 @@ static snd_pcm_uframes_t snd_tm6000_pointer(struct snd_pcm_substream *substream) return chip->buf_pos; } +static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, + unsigned long offset) +{ + void *pageptr = subs->runtime->dma_area + offset; + + return vmalloc_to_page(pageptr); +} + /* * operators */ @@ -383,6 +397,7 @@ static struct snd_pcm_ops snd_tm6000_pcm_ops = { .prepare = snd_tm6000_prepare, .trigger = snd_tm6000_card_trigger, .pointer = snd_tm6000_pointer, + .page = snd_pcm_get_vmalloc_page, }; /* |