diff options
| author | Kenneth Westfield <kwestfie@codeaurora.org> | 2015-05-19 12:03:55 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:11:06 -0700 |
| commit | 579b5a94176cabd6a7b8f65f04426070f0513d15 (patch) | |
| tree | b6980e6e75cbdd174301ff3109bf0b6037642f51 /include/sound/pcm.h | |
| parent | 27c55476251a73d77631e5bb1892b9e24c7c04b5 (diff) | |
ASoC: pcm: Add delay_blk feature
Add delay_blk() to pcm, platform and DAI ops.
The pcm delay_blk() op collects the audio DSP path
delays from the low-level drivers and sets the
runtime->delay field to their aggregate.
Change-Id: Ib7e10f44ab8ccb46dc2f5825081d0afef662d827
Signed-off-by: Kenneth Westfield <kwestfie@codeaurora.org>
Diffstat (limited to 'include/sound/pcm.h')
| -rw-r--r-- | include/sound/pcm.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 6e98f4f08541..e1f4920053ed 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -80,10 +80,13 @@ struct snd_pcm_ops { struct timespec *system_ts, struct timespec *audio_ts, struct snd_pcm_audio_tstamp_config *audio_tstamp_config, struct snd_pcm_audio_tstamp_report *audio_tstamp_report); + int (*delay_blk)(struct snd_pcm_substream *substream); + int (*wall_clock)(struct snd_pcm_substream *substream, + struct timespec *audio_ts); int (*copy)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, void __user *buf, snd_pcm_uframes_t count); - int (*silence)(struct snd_pcm_substream *substream, int channel, + int (*silence)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count); struct page *(*page)(struct snd_pcm_substream *substream, unsigned long offset); |