diff options
| author | Chethan Krishna N <chethan.krishna@stericsson.com> | 2011-03-15 11:58:24 +0530 |
|---|---|---|
| committer | Robert Marklund <robert.marklund@stericsson.com> | 2011-10-05 11:18:14 +0200 |
| commit | a0626682c27550b1a44054509b078e4fd83d7088 (patch) | |
| tree | 9e896cb0798cb80d4686c45b08e626e665517bc5 /drivers/misc | |
| parent | 252c29cd74dcc4dc73097e49de0df6b9a69a95a4 (diff) | |
bh1780gli: correct mutex locking behaviour
Multiple activation and deactivation calls for BH1780GLI
Ambient Light Sensor will not crash now.
ST Ericsson ID: ER326054
Signed-off-by: Chethan Krishna N <chethan.krishna@stericsson.com>
Change-Id: I3bfeb6a371ae567e14300339b1b18dc750a59b14
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/18319
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/bh1780gli.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/bh1780gli.c b/drivers/misc/bh1780gli.c index 1e495bfd7a7..0a731371fb5 100644 --- a/drivers/misc/bh1780gli.c +++ b/drivers/misc/bh1780gli.c @@ -115,11 +115,11 @@ static ssize_t bh1780_store_power_state(struct device *dev, if (val < BH1780_POFF || val > BH1780_PON) return -EINVAL; - mutex_lock(&ddata->lock); - if (ddata->power_state == val) return count; + mutex_lock(&ddata->lock); + if (ddata->power_state == BH1780_POFF) regulator_enable(ddata->regulator); |