ASoC: pxa: magician: Update locking around use of DAPM pin API

The pin updates in this driver look like they are intended to be done
atomically, update to do so.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 13 insertions, 9 deletions

diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c
index aace19e0fe2c..31242be08823 100644
--- a/sound/soc/pxa/magician.c
+++ b/sound/soc/pxa/magician.c
@@ -45,27 +45,31 @@ static void magician_ext_control(struct snd_soc_codec *codec)
 {
         struct snd_soc_dapm_context *dapm = &codec->dapm;
 
+        snd_soc_dapm_mutex_lock(dapm);
+
         if (magician_spk_switch)
-                snd_soc_dapm_enable_pin(dapm, "Speaker");
+                snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
         else
-                snd_soc_dapm_disable_pin(dapm, "Speaker");
+                snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
         if (magician_hp_switch)
-                snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+                snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
         else
-                snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+                snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
 
         switch (magician_in_sel) {
         case MAGICIAN_MIC:
-                snd_soc_dapm_disable_pin(dapm, "Headset Mic");
-                snd_soc_dapm_enable_pin(dapm, "Call Mic");
+                snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Mic");
+                snd_soc_dapm_enable_pin_unlocked(dapm, "Call Mic");
                 break;
         case MAGICIAN_MIC_EXT:
-                snd_soc_dapm_disable_pin(dapm, "Call Mic");
-                snd_soc_dapm_enable_pin(dapm, "Headset Mic");
+                snd_soc_dapm_disable_pin_unlocked(dapm, "Call Mic");
+                snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Mic");
                 break;
         }
 
-        snd_soc_dapm_sync(dapm);
+        snd_soc_dapm_sync_unlocked(dapm);
+
+        snd_soc_dapm_mutex_unlock(dapm);
 }
 
 static int magician_startup(struct snd_pcm_substream *substream)