From 34aaf990741f308c7e960501038c0338a7954d6d Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 9 May 2010 13:25:43 +0100
Subject: [PATCH] --- yaml --- r: 193459 b: refs/heads/master c:
 3efab7dcc0f4d0087f73ff975eaa2fddc02ffc69 h: refs/heads/master i:   193457:
 ed4ff0a540000c6d207801600c197f37ced6c276   193455:
 831b5bafdd4050a10c5c3625a0c369c215685dc0 v: v3

---
 [refs]                     |  2 +-
 trunk/include/sound/soc.h  |  3 +++
 trunk/sound/soc/soc-core.c | 38 +++++++++++++++++++++++++++++++++++++-
 3 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 0e26b3d39e52..c7c1908dacbd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 452a5fd679f8a6f215df71c41487ad4b2c7774db
+refs/heads/master: 3efab7dcc0f4d0087f73ff975eaa2fddc02ffc69
diff --git a/trunk/include/sound/soc.h b/trunk/include/sound/soc.h
index 9f306f0710df..8326fc3db1cf 100644
--- a/trunk/include/sound/soc.h
+++ b/trunk/include/sound/soc.h
@@ -505,6 +505,9 @@ struct snd_soc_dai_link  {
 	/* codec/machine specific init - e.g. add machine controls */
 	int (*init)(struct snd_soc_codec *codec);
 
+	/* Keep DAI active over suspend */
+	unsigned int ignore_suspend:1;
+
 	/* Symmetry requirements */
 	unsigned int symmetric_rates:1;
 
diff --git a/trunk/sound/soc/soc-core.c b/trunk/sound/soc/soc-core.c
index 8661e5b4adb1..34f71bf60140 100644
--- a/trunk/sound/soc/soc-core.c
+++ b/trunk/sound/soc/soc-core.c
@@ -893,19 +893,31 @@ static int soc_suspend(struct device *dev)
 	/* mute any active DAC's */
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (dai->ops->digital_mute && dai->playback.active)
 			dai->ops->digital_mute(dai, 1);
 	}
 
 	/* suspend all pcms */
-	for (i = 0; i < card->num_links; i++)
+	for (i = 0; i < card->num_links; i++) {
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		snd_pcm_suspend_all(card->dai_link[i].pcm);
+	}
 
 	if (card->suspend_pre)
 		card->suspend_pre(pdev, PMSG_SUSPEND);
 
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai  *cpu_dai = card->dai_link[i].cpu_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (cpu_dai->suspend && !cpu_dai->ac97_control)
 			cpu_dai->suspend(cpu_dai);
 		if (platform->suspend)
@@ -918,6 +930,10 @@ static int soc_suspend(struct device *dev)
 
 	for (i = 0; i < codec->num_dai; i++) {
 		char *stream = codec->dai[i].playback.stream_name;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (stream != NULL)
 			snd_soc_dapm_stream_event(codec, stream,
 				SND_SOC_DAPM_STREAM_SUSPEND);
@@ -943,6 +959,10 @@ static int soc_suspend(struct device *dev)
 
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (cpu_dai->suspend && cpu_dai->ac97_control)
 			cpu_dai->suspend(cpu_dai);
 	}
@@ -982,6 +1002,10 @@ static void soc_resume_deferred(struct work_struct *work)
 
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (cpu_dai->resume && cpu_dai->ac97_control)
 			cpu_dai->resume(cpu_dai);
 	}
@@ -1004,6 +1028,10 @@ static void soc_resume_deferred(struct work_struct *work)
 
 	for (i = 0; i < codec->num_dai; i++) {
 		char *stream = codec->dai[i].playback.stream_name;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (stream != NULL)
 			snd_soc_dapm_stream_event(codec, stream,
 				SND_SOC_DAPM_STREAM_RESUME);
@@ -1016,12 +1044,20 @@ static void soc_resume_deferred(struct work_struct *work)
 	/* unmute any active DACs */
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (dai->ops->digital_mute && dai->playback.active)
 			dai->ops->digital_mute(dai, 0);
 	}
 
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+
+		if (card->dai_link[i].ignore_suspend)
+			continue;
+
 		if (cpu_dai->resume && !cpu_dai->ac97_control)
 			cpu_dai->resume(cpu_dai);
 		if (platform->resume)