[ALSA] soc - Add D1 power event to power down event sequence

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 8 insertions, 0 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e748b00466b7..7d51be8ee069 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -287,6 +287,14 @@ static void close_delayed_work(struct work_struct *work)
                 /* are we waiting on this codec DAI stream */
                 if (codec_dai->pop_wait == 1) {
 
+                        /* power down the codec to D1 if no longer active */
+                        if (codec->active == 0) {
+                                dbg("pop wq D1 %s %s\n", codec->name,
+                                        codec_dai->playback.stream_name);
+                                snd_soc_dapm_device_event(socdev,
+                                        SNDRV_CTL_POWER_D1);
+                        }
+
                         codec_dai->pop_wait = 0;
                         snd_soc_dapm_stream_event(codec,
                                 codec_dai->playback.stream_name,