diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2014-02-18 15:22:12 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-20 18:37:13 +0900 |
| commit | c4204960e9d0ba99459dbf1db918f99a45e7a62a (patch) | |
| tree | 1c7078e042f3620fa45f0d04c5ea7552efc0d348 | |
| parent | 30686c350628a68852f8abd67557aecb137789d5 (diff) | |
Input - arizona-haptics: Fix double lock of dapm_mutex
snd_soc_dapm_sync takes the dapm_mutex internally, but we currently take
it externally as well. This patch fixes this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/input/misc/arizona-haptics.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 7a04f54ef961..e7e12a5f5c2d 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -77,16 +77,14 @@ static void arizona_haptics_work(struct work_struct *work) return; } + mutex_unlock(dapm_mutex); + ret = snd_soc_dapm_sync(arizona->dapm); if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - - mutex_unlock(dapm_mutex); - } else { /* This disable sequence will be a noop if already enabled */ mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); @@ -99,16 +97,15 @@ static void arizona_haptics_work(struct work_struct *work) return; } + mutex_unlock(dapm_mutex); + ret = snd_soc_dapm_sync(arizona->dapm); if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - mutex_unlock(dapm_mutex); - ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, ARIZONA_HAP_CTRL_MASK, |