From: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Date: Thu, 10 Jan 2008 13:38:24 +0000 (+0100)
Subject: [ALSA] soc - Add D1 power event to power down event sequence
X-Git-Tag: v3.12-rc1~24018^2~138
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3c1c47e0eb92264d555003ee2003f836e432615b;p=kernel%2Fkernel-generic.git

[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>
---

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e748b00..7d51be8 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+			/* power down the codec to D1 if no longer active */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,