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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-11-29 01:38:54 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-29 03:12:52 +0400
commit75f064f220bde2fab9e932b27eee8372b65372c9 (patch)
tree1fd7a0fd94fb765501a03837ec1548f0f115a7ad /drivers
parentd95d7b91b4c6e3dfe94c07cd04993f60c887073d (diff)
downloadlinux-75f064f220bde2fab9e932b27eee8372b65372c9.tar.xz
[media] tm6000: Add a few missing bits to alsa
There are some properties found on em28xx, but not on tm6000. Add them, in order to be more consistent. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/tm6000/tm6000-alsa.c21
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 7d675c72fd47..ddffd67c0d82 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,
};
/*