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Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r--sound/soc/soc-pcm.c91
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)