diff options
Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r-- | sound/soc/soc-pcm.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 35fe58f4fa86..256b9c91aa94 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1485,30 +1485,67 @@ unwind: } static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime, - struct snd_soc_pcm_stream *stream) + struct snd_soc_pcm_stream *stream, + u64 formats) { runtime->hw.rate_min = stream->rate_min; runtime->hw.rate_max = stream->rate_max; runtime->hw.channels_min = stream->channels_min; runtime->hw.channels_max = stream->channels_max; if (runtime->hw.formats) - runtime->hw.formats &= stream->formats; + runtime->hw.formats &= formats & stream->formats; else - runtime->hw.formats = stream->formats; + runtime->hw.formats = formats & stream->formats; runtime->hw.rates = stream->rates; } +static u64 dpcm_runtime_base_format(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *fe = substream->private_data; + struct snd_soc_dpcm *dpcm; + u64 formats = ULLONG_MAX; + int stream = substream->stream; + + if (!fe->dai_link->dpcm_merged_format) + return formats; + + /* + * It returns merged BE codec format + * if FE want to use it (= dpcm_merged_format) + */ + + list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { + struct snd_soc_pcm_runtime *be = dpcm->be; + struct snd_soc_dai_driver *codec_dai_drv; + struct snd_soc_pcm_stream *codec_stream; + int i; + + for (i = 0; i < be->num_codecs; i++) { + codec_dai_drv = be->codec_dais[i]->driver; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) + codec_stream = &codec_dai_drv->playback; + else + codec_stream = &codec_dai_drv->capture; + + formats &= codec_stream->formats; + } + } + + return formats; +} + static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver; + u64 format = dpcm_runtime_base_format(substream); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback); + dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback, format); else - dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture); + dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture, format); } static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd); |