diff options
Diffstat (limited to 'sound/soc/soc-dai.c')
| -rw-r--r-- | sound/soc/soc-dai.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 3db0fcf24385..6078afe335f8 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -453,18 +453,6 @@ void snd_soc_dai_shutdown(struct snd_soc_dai *dai, soc_dai_mark_pop(dai, substream, startup); } -snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai, - struct snd_pcm_substream *substream) -{ - int delay = 0; - - if (dai->driver->ops && - dai->driver->ops->delay) - delay = dai->driver->ops->delay(substream, dai); - - return delay; -} - int snd_soc_dai_compress_new(struct snd_soc_dai *dai, struct snd_soc_pcm_runtime *rtd, int num) { @@ -693,6 +681,34 @@ int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream, return 0; } +void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream, + snd_pcm_sframes_t *cpu_delay, + snd_pcm_sframes_t *codec_delay) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *dai; + int i; + + /* + * We're looking for the delay through the full audio path so it needs to + * be the maximum of the DAIs doing transmit and the maximum of the DAIs + * doing receive (ie, all CPUs and all CODECs) rather than just the maximum + * of all DAIs. + */ + + /* for CPU */ + for_each_rtd_cpu_dais(rtd, i, dai) + if (dai->driver->ops && + dai->driver->ops->delay) + *cpu_delay = max(*cpu_delay, dai->driver->ops->delay(substream, dai)); + + /* for Codec */ + for_each_rtd_codec_dais(rtd, i, dai) + if (dai->driver->ops && + dai->driver->ops->delay) + *codec_delay = max(*codec_delay, dai->driver->ops->delay(substream, dai)); +} + int snd_soc_dai_compr_startup(struct snd_soc_dai *dai, struct snd_compr_stream *cstream) { |