[alsa-devel] [PATCH 10/15] ASoC: omap: n810: Update locking around use of DAPM pin API

[Charles Keepax]

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 at opensource.wolfsonmicro.com>
---
 sound/soc/omap/n810.c |   20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
index 3fde9e4..b3f59a5 100644
--- a/sound/soc/omap/n810.c
+++ b/sound/soc/omap/n810.c
@@ -68,24 +68,28 @@ static void n810_ext_control(struct snd_soc_dapm_context *dapm)
 		break;
 	}
 
+	mutex_lock(&dapm->card->dapm_mutex);
+
 	if (n810_spk_func)
-		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_enable_pin_locked(dapm, "Ext Spk");
 	else
-		snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_disable_pin_locked(dapm, "Ext Spk");
 
 	if (hp)
-		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+		snd_soc_dapm_enable_pin_locked(dapm, "Headphone Jack");
 	else
-		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+		snd_soc_dapm_disable_pin_locked(dapm, "Headphone Jack");
 	if (line1l)
-		snd_soc_dapm_enable_pin(dapm, "LINE1L");
+		snd_soc_dapm_enable_pin_locked(dapm, "LINE1L");
 	else
-		snd_soc_dapm_disable_pin(dapm, "LINE1L");
+		snd_soc_dapm_disable_pin_locked(dapm, "LINE1L");
 
 	if (n810_dmic_func)
-		snd_soc_dapm_enable_pin(dapm, "DMic");
+		snd_soc_dapm_enable_pin_locked(dapm, "DMic");
 	else
-		snd_soc_dapm_disable_pin(dapm, "DMic");
+		snd_soc_dapm_disable_pin_locked(dapm, "DMic");
+
+	mutex_unlock(&dapm->card->dapm_mutex);
 
 	snd_soc_dapm_sync(dapm);
 }
-- 
1.7.2.5