diff options
Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r-- | sound/soc/soc-pcm.c | 91 |
1 files changed, 51 insertions, 40 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index f3592f142832..5932971cf54d 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -230,24 +230,32 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream, } } -static void soc_pcm_init_runtime_hw(struct snd_pcm_hardware *hw, +static void soc_pcm_init_runtime_hw(struct snd_pcm_runtime *runtime, struct snd_soc_pcm_stream *codec_stream, struct snd_soc_pcm_stream *cpu_stream) { - hw->rate_min = max(codec_stream->rate_min, cpu_stream->rate_min); - hw->rate_max = max(codec_stream->rate_max, cpu_stream->rate_max); + struct snd_pcm_hardware *hw = &runtime->hw; + hw->channels_min = max(codec_stream->channels_min, cpu_stream->channels_min); hw->channels_max = min(codec_stream->channels_max, cpu_stream->channels_max); - hw->formats = codec_stream->formats & cpu_stream->formats; - hw->rates = codec_stream->rates & cpu_stream->rates; - if (codec_stream->rates - & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - hw->rates |= cpu_stream->rates; - if (cpu_stream->rates - & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - hw->rates |= codec_stream->rates; + if (hw->formats) + hw->formats &= codec_stream->formats & cpu_stream->formats; + else + hw->formats = codec_stream->formats & cpu_stream->formats; + hw->rates = snd_pcm_rate_mask_intersect(codec_stream->rates, + cpu_stream->rates); + + hw->rate_min = 0; + hw->rate_max = UINT_MAX; + + snd_pcm_limit_hw_rates(runtime); + + hw->rate_min = max(hw->rate_min, cpu_stream->rate_min); + hw->rate_min = max(hw->rate_min, codec_stream->rate_min); + hw->rate_max = min_not_zero(hw->rate_max, cpu_stream->rate_max); + hw->rate_max = min_not_zero(hw->rate_max, codec_stream->rate_max); } /* @@ -317,10 +325,10 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) /* Check that the codec and cpu DAIs are compatible */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - soc_pcm_init_runtime_hw(&runtime->hw, &codec_dai_drv->playback, + soc_pcm_init_runtime_hw(runtime, &codec_dai_drv->playback, &cpu_dai_drv->playback); } else { - soc_pcm_init_runtime_hw(&runtime->hw, &codec_dai_drv->capture, + soc_pcm_init_runtime_hw(runtime, &codec_dai_drv->capture, &cpu_dai_drv->capture); } @@ -328,7 +336,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; ret = -EINVAL; - snd_pcm_limit_hw_rates(runtime); if (!runtime->hw.rates) { printk(KERN_ERR "ASoC: %s <-> %s No matching rates\n", codec_dai->name, cpu_dai->name); @@ -468,10 +475,12 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) codec_dai->active--; codec->active--; - /* Muting the DAC suppresses artifacts caused during digital - * shutdown, for example from stopping clocks. - */ - snd_soc_dai_digital_mute(codec_dai, 1, substream->stream); + /* clear the corresponding DAIs rate when inactive */ + if (!cpu_dai->active) + cpu_dai->rate = 0; + + if (!codec_dai->active) + codec_dai->rate = 0; if (cpu_dai->driver->ops->shutdown) cpu_dai->driver->ops->shutdown(substream, cpu_dai); @@ -683,7 +692,7 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_codec *codec = rtd->codec; + bool playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); @@ -701,7 +710,8 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) } /* apply codec digital mute */ - if (!codec->active) + if ((playback && codec_dai->playback_active == 1) || + (!playback && codec_dai->capture_active == 1)) snd_soc_dai_digital_mute(codec_dai, 1, substream->stream); /* free any machine hw params */ @@ -767,7 +777,7 @@ static int soc_pcm_bespoke_trigger(struct snd_pcm_substream *substream, return ret; } - if (platform->driver->ops && platform->driver->bespoke_trigger) { + if (platform->driver->bespoke_trigger) { ret = platform->driver->bespoke_trigger(substream, cmd); if (ret < 0) return ret; @@ -1226,6 +1236,20 @@ unwind: return err; } +static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime, + struct snd_soc_pcm_stream *stream) +{ + 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; + else + runtime->hw.formats = stream->formats; + runtime->hw.rates = stream->rates; +} + static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -1233,21 +1257,10 @@ static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream) struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - runtime->hw.rate_min = cpu_dai_drv->playback.rate_min; - runtime->hw.rate_max = cpu_dai_drv->playback.rate_max; - runtime->hw.channels_min = cpu_dai_drv->playback.channels_min; - runtime->hw.channels_max = cpu_dai_drv->playback.channels_max; - runtime->hw.formats &= cpu_dai_drv->playback.formats; - runtime->hw.rates = cpu_dai_drv->playback.rates; - } else { - runtime->hw.rate_min = cpu_dai_drv->capture.rate_min; - runtime->hw.rate_max = cpu_dai_drv->capture.rate_max; - runtime->hw.channels_min = cpu_dai_drv->capture.channels_min; - runtime->hw.channels_max = cpu_dai_drv->capture.channels_max; - runtime->hw.formats &= cpu_dai_drv->capture.formats; - runtime->hw.rates = cpu_dai_drv->capture.rates; - } + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback); + else + dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture); } static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream) @@ -2128,10 +2141,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) int ret = 0, playback = 0, capture = 0; if (rtd->dai_link->dynamic || rtd->dai_link->no_pcm) { - if (cpu_dai->driver->playback.channels_min) - playback = 1; - if (cpu_dai->driver->capture.channels_min) - capture = 1; + playback = rtd->dai_link->dpcm_playback; + capture = rtd->dai_link->dpcm_capture; } else { if (codec_dai->driver->playback.channels_min && cpu_dai->driver->playback.channels_min) |