diff options
| author | Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> | 2022-08-17 10:05:29 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-08-17 14:00:24 +0200 |
| commit | c1a731c71359407eae4fd0a5fd675ef25a582764 (patch) | |
| tree | fa04ebc3f2ac5b8fa0a947c7714d84d83a11c970 /sound/soc/sof/compress.c | |
| parent | ASoC: SOF: compress: Save channel count and sample bytes (diff) | |
| download | linux-c1a731c71359407eae4fd0a5fd675ef25a582764.tar.xz linux-c1a731c71359407eae4fd0a5fd675ef25a582764.zip | |
ASoC: SOF: compress: Add support for computing timestamps
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 <paul.olaru@oss.nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20220817080529.10864-5-daniel.baluta@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/compress.c')
| -rw-r--r-- | sound/soc/sof/compress.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/sof/compress.c b/sound/soc/sof/compress.c index ac79b46ce3b9..174b3d8e67dd 100644 --- a/sound/soc/sof/compress.c +++ b/sound/soc/sof/compress.c @@ -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; } |