[alsa-devel] [PATCH] ASoC: dapm: Fix deadlock on auto-disable mux controls

Charles Keepax ckeepax at opensource.wolfsonmicro.com
Fri Jun 26 11:39:43 CEST 2015


The commit 02aa78abec6e ("ASoC: DAPM: Add APIs to create individual DAPM
controls.") added locking to the snd_soc_dapm_new_control function but
did not update the call to snd_soc_dapm_new_control in the auto-disable
mux code, this appears to be because the patches were sent at fairly
similar times.

This patch change the call in the auto-disable mux code to use the new
snd_soc_dapm_new_control_unlocked function instead.

Signed-off-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>
---
 sound/soc/soc-dapm.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index aa327c9..a47a8ce 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -389,8 +389,8 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
 
 			data->value = template.on_val;
 
-			data->widget = snd_soc_dapm_new_control(widget->dapm,
-					&template);
+			data->widget = snd_soc_dapm_new_control_unlocked(
+						widget->dapm, &template);
 			if (!data->widget) {
 				ret = -ENOMEM;
 				goto err_name;
-- 
1.7.2.5



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