From c1a731c71359407eae4fd0a5fd675ef25a582764 Mon Sep 17 00:00:00 2001 From: Laurentiu Mihalcea Date: Wed, 17 Aug 2022 11:05:29 +0300 Subject: 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 Reviewed-by: Pierre-Louis Bossart Signed-off-by: Laurentiu Mihalcea Signed-off-by: Daniel Baluta Link: https://lore.kernel.org/r/20220817080529.10864-5-daniel.baluta@oss.nxp.com Signed-off-by: Mark Brown --- sound/soc/sof/compress.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'sound/soc/sof/compress.c') 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; } -- cgit v1.2.3