1 files changed, 21 insertions, 12 deletions

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index f3592f142832..604e7e9a2ef8 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -230,12 +230,12 @@ 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,
@@ -248,6 +248,13 @@ static void soc_pcm_init_runtime_hw(struct snd_pcm_hardware *hw,
 	if (cpu_stream->rates
 		& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
 		hw->rates |= codec_stream->rates;
+
+	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 +324,10 @@ 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 +335,6 @@ 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 +474,12 @@ 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 +691,7 @@ 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 +709,8 @@ 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 */