imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-10-31 22:34:33 +01:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: SOF: compress: Add support for computing timestamps

Browse Source 
We compute the number of pcm_io_frames by dividing the
dai position to size of a frame (channels * sample size).

Reviewed-by: Paul Olaru <[email protected]>
Reviewed-by: Pierre-Louis Bossart <[email protected]>
Signed-off-by: Laurentiu Mihalcea <[email protected]>
Signed-off-by: Daniel Baluta <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Laurentiu Mihalcea authored and Mark Brown committed 2022-08-17 13:00:24 +01:00
1 parent 3ccbe68877
commit c1a731c713
1 file changed
+11
Download Patch File Download Diff File Expand all files Collapse all files
sound/soc/sof/compress.c
+11
View File
@@ -327,10 +327,21 @@ static int sof_compr_pointer(struct snd_soc_component *component,
struct snd_compr_stream *cstream,
struct snd_compr_tstamp *tstamp)
{
u64 dai_posn;
struct snd_sof_pcm *spcm;
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
struct sof_compr_stream *sstream = cstream->runtime->private_data;
spcm = snd_sof_find_spcm_dai(component, rtd);
if (!spcm)
return -EINVAL;
dai_posn = spcm->stream[cstream->direction].posn.dai_posn;
tstamp->sampling_rate = sstream->sampling_rate;
tstamp->copied_total = sstream->copied_total;
tstamp->pcm_io_frames = div_u64(spcm->stream[cstream->direction].posn.dai_posn,
sstream->channels * sstream->sample_container_bytes);
return 0;
}