6 files changed, 24 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 96474a40da8d..e09ed65e0868 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -34,7 +34,6 @@
 /* codec private data */
 struct wm8776_priv {
         enum snd_soc_control_type control_type;
-        u16 reg_cache[WM8776_CACHEREGNUM];
         int sysclk[2];
 };
 
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
index 810633cc3b6d..85956ff8783e 100644
--- a/sound/soc/pxa/corgi.c
+++ b/sound/soc/pxa/corgi.c
@@ -102,8 +102,13 @@ static int corgi_startup(struct snd_pcm_substream *substream)
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec = rtd->codec;
 
+        mutex_lock(&codec->mutex);
+
         /* check the jack status at stream startup */
         corgi_ext_control(codec);
+
+        mutex_unlock(&codec->mutex);
+
         return 0;
 }
 
diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c
index f1acdc57cfd8..98cb9906e795 100644
--- a/sound/soc/pxa/magician.c
+++ b/sound/soc/pxa/magician.c
@@ -74,9 +74,13 @@ static int magician_startup(struct snd_pcm_substream *substream)
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec = rtd->codec;
 
+        mutex_lock(&codec->mutex);
+
         /* check the jack status at stream startup */
         magician_ext_control(codec);
 
+        mutex_unlock(&codec->mutex);
+
         return 0;
 }
 
diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c
index 7353ee5034fe..f45ea408852b 100644
--- a/sound/soc/pxa/poodle.c
+++ b/sound/soc/pxa/poodle.c
@@ -79,8 +79,13 @@ static int poodle_startup(struct snd_pcm_substream *substream)
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec = rtd->codec;
 
+        mutex_lock(&codec->mutex);
+
         /* check the jack status at stream startup */
         poodle_ext_control(codec);
+
+        mutex_unlock(&codec->mutex);
+
         return 0;
 }
 
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index 0680b11c2685..7e13440cca41 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -110,8 +110,13 @@ static int spitz_startup(struct snd_pcm_substream *substream)
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec = rtd->codec;
 
+        mutex_lock(&codec->mutex);
+
         /* check the jack status at stream startup */
         spitz_ext_control(codec);
+
+        mutex_unlock(&codec->mutex);
+
         return 0;
 }
 
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 0a9bd68ef749..7f81f82ba788 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -83,8 +83,13 @@ static int tosa_startup(struct snd_pcm_substream *substream)
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec = rtd->codec;
 
+        mutex_lock(&codec->mutex);
+
         /* check the jack status at stream startup */
         tosa_ext_control(codec);
+
+        mutex_unlock(&codec->mutex);
+
         return 0;
 }