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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
commit122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch)
treecff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/video/tm6000/tm6000-alsa.c
parent16008d641670571ff4cd750b416c7caf2d89f467 (diff)
parent126400033940afb658123517a2e80eb68259fbd7 (diff)
downloadlwn-122804ecb59493fbb4d31b3ba9ac59faaf45276f.tar.gz
lwn-122804ecb59493fbb4d31b3ba9ac59faaf45276f.zip
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits) [media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver mb86a20s: Add a few more register settings at the init seq mb86a20s: Group registers into the same line [media] [PATCH] don't reset the delivery system on DTV_CLEAR [media] [BUG] it913x-fe fix typo error making SNR levels unstable [media] cx23885: Query the CX25840 during enum_input for status [media] cx25840: Add support for g_input_status [media] rc-videomate-m1f.c Rename to match remote controler name [media] drivers: media: au0828: Fix dependency for VIDEO_AU0828 [media] convert drivers/media/* to use module_platform_driver() [media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB [media] Exynos4 JPEG codec v4l2 driver [media] doc: v4l: selection: choose pixels as units for selection rectangles [media] v4l: s5p-tv: mixer: fix setup of VP scaling [media] v4l: s5p-tv: mixer: add support for selection API [media] v4l: emulate old crop API using extended crop/compose API [media] doc: v4l: add documentation for selection API [media] doc: v4l: add binary images for selection API [media] v4l: add support for selection api [media] hd29l2: fix review findings ...
Diffstat (limited to 'drivers/media/video/tm6000/tm6000-alsa.c')
-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 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,
};
/*