diff options
| author | Chethan Krishna N <chethan.krishna@stericsson.com> | 2011-03-15 11:58:24 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:45 +0200 |
| commit | 031147f98e9dd4b28f397cb0469b9d15400ae953 (patch) | |
| tree | 7f862dd05a93b712b50dcc1e2af0dfb6108df5d9 /drivers/misc/bh1780gli.c | |
| parent | b8f207b56a72f894f033388ec88ed95ad2cd0bf4 (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/bh1780gli.c')
| -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 a7c012a6545..0b9ff5e8825 100644 --- a/drivers/misc/bh1780gli.c +++ b/drivers/misc/bh1780gli.c @@ -116,11 +116,11 @@ 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); |