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ASoC: wm8731: init mutex in i2c init path

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The I2C init path forgot to init the mutex, leading to an oops when
controls are accessed.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Manuel Lauss 2015-01-19 08:23:43 +01:00 committed by Mark Brown
parent 97bf6af1f9
commit 8a6cf30bf9
1 changed files with 2 additions and 0 deletions
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2
sound/soc/codecs/wm8731.c
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@ -717,6 +717,8 @@ static int wm8731_i2c_probe(struct i2c_client *i2c,
if (wm8731 == NULL)
return -ENOMEM;
mutex_init(&wm8731->lock);
wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap);
if (IS_ERR(wm8731->regmap)) {
ret = PTR_ERR(wm8731->regmap);