[alsa-devel] [PATCH 03/15] ASoC: adav80x: 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/codecs/adav80x.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c
index f78b27a..aacb2c03 100644
--- a/sound/soc/codecs/adav80x.c
+++ b/sound/soc/codecs/adav80x.c
@@ -600,15 +600,21 @@ static int adav80x_set_sysclk(struct snd_soc_codec *codec,
 			adav80x->sysclk_pd[clk_id] = false;
 		}
 
+		mutex_lock(&codec->dapm.card->dapm_mutex);
+
 		if (adav80x->sysclk_pd[0])
-			snd_soc_dapm_disable_pin(&codec->dapm, "PLL1");
+			snd_soc_dapm_disable_pin_locked(&codec->dapm, "PLL1");
 		else
-			snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
+			snd_soc_dapm_force_enable_pin_locked(&codec->dapm,
+							     "PLL1");
 
 		if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
-			snd_soc_dapm_disable_pin(&codec->dapm, "PLL2");
+			snd_soc_dapm_disable_pin_locked(&codec->dapm, "PLL2");
 		else
-			snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
+			snd_soc_dapm_force_enable_pin_locked(&codec->dapm,
+							     "PLL2");
+
+		mutex_unlock(&codec->dapm.card->dapm_mutex);
 
 		snd_soc_dapm_sync(&codec->dapm);
 	}
-- 
1.7.2.5