1 files changed, 21 insertions, 2 deletions

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index b3445b362e96..776ac80cc1a8 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -354,6 +354,21 @@ static inline void dac33_soft_power(struct snd_soc_codec *codec, int power)
         dac33_write(codec, DAC33_PWR_CTRL, reg);
 }
 
+static inline void dac33_disable_digital(struct snd_soc_codec *codec)
+{
+        u8 reg;
+
+        /* Stop the DAI clock */
+        reg = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_B);
+        reg &= ~DAC33_BCLKON;
+        dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, reg);
+
+        /* Power down the Oscillator, and DACs */
+        reg = dac33_read_reg_cache(codec, DAC33_PWR_CTRL);
+        reg &= ~(DAC33_OSCPDNB | DAC33_DACRPDNB | DAC33_DACLPDNB);
+        dac33_write(codec, DAC33_PWR_CTRL, reg);
+}
+
 static int dac33_hard_power(struct snd_soc_codec *codec, int power)
 {
         struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
@@ -402,7 +417,7 @@ exit:
         return ret;
 }
 
-static int playback_event(struct snd_soc_dapm_widget *w,
+static int dac33_playback_event(struct snd_soc_dapm_widget *w,
                 struct snd_kcontrol *kcontrol, int event)
 {
         struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(w->codec);
@@ -414,6 +429,9 @@ static int playback_event(struct snd_soc_dapm_widget *w,
                         dac33_prepare_chip(dac33->substream);
                 }
                 break;
+        case SND_SOC_DAPM_POST_PMD:
+                dac33_disable_digital(w->codec);
+                break;
         }
         return 0;
 }
@@ -609,7 +627,8 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
         SND_SOC_DAPM_SUPPLY("Right DAC Power",
                             DAC33_RDAC_PWR_CTRL, 2, 0, NULL, 0),
 
-        SND_SOC_DAPM_PRE("Prepare Playback", playback_event),
+        SND_SOC_DAPM_PRE("Pre Playback", dac33_playback_event),
+        SND_SOC_DAPM_POST("Post Playback", dac33_playback_event),
 };
 
 static const struct snd_soc_dapm_route audio_map[] = {