[13/17,v2] ASoC: omap: rx51: Update locking around use of DAPM pin API

Commit Message

Charles Keepax Feb. 18, 2014, 3:22 p.m. UTC

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

Signed-off-by: Charles Keepax <[e-mail]>
---
 sound/soc/omap/rx51.c |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)

Comments

Mark Brown Feb. 20, 2014, 10:28 a.m. UTC | #1

On Tue, Feb 18, 2014 at 03:22:24PM +0000, Charles Keepax wrote:
> The pin updates in this driver look like they are intended to be done
> atomically, update to do so.

Applied, thanks.

Patch

diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 611179c..7fb3d4b 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -74,26 +74,30 @@  static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
 		break;
 	}
 
+	snd_soc_dapm_mutex_lock(dapm);
+
 	if (rx51_spk_func)
-		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
 	else
-		snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
 	if (rx51_dmic_func)
-		snd_soc_dapm_enable_pin(dapm, "DMic");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
 	else
-		snd_soc_dapm_disable_pin(dapm, "DMic");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
 	if (hp)
-		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");
 	if (hs)
-		snd_soc_dapm_enable_pin(dapm, "HS Mic");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
 	else
-		snd_soc_dapm_disable_pin(dapm, "HS Mic");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
 
 	gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
 
-	snd_soc_dapm_sync(dapm);
+	snd_soc_dapm_sync_unlocked(dapm);
+
+	snd_soc_dapm_mutex_unlock(dapm);
 }
 
 static int rx51_startup(struct snd_pcm_substream *substream)