3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Charles Keepax <ckee...@opensource.wolfsonmicro.com>
commit c4204960e9d0ba99459dbf1db918f99a45e7a62a upstream.
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 <ckee...@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broo...@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/input/misc/arizona-haptics.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -77,16 +77,14 @@ static void arizona_haptics_work(struct
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
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,
--
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