diff options
| author | Axel Lin | 2012-04-11 14:53:58 +0200 |
|---|---|---|
| committer | Mark Brown | 2012-04-17 16:17:11 +0200 |
| commit | f55205f4d4a8823a11bb8b37ef2ecbd78fb09463 (patch) | |
| tree | acb5c8624f1af12cc9bb5235c5bc586b92efa832 | |
| parent | Linux 3.4-rc3 (diff) | |
| download | kernel-qcow2-linux-f55205f4d4a8823a11bb8b37ef2ecbd78fb09463.tar.gz kernel-qcow2-linux-f55205f4d4a8823a11bb8b37ef2ecbd78fb09463.tar.xz kernel-qcow2-linux-f55205f4d4a8823a11bb8b37ef2ecbd78fb09463.zip | |
regulator: Fix the logic to ensure new voltage setting in valid range
I think this is a typo.
To ensure new voltage setting won't greater than desc->max,
the equation should be desc->min + desc->step * new_val <= desc->max.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/regulator/max8997.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index 96579296f04d..17a58c56eebf 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -684,7 +684,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, } new_val++; - } while (desc->min + desc->step + new_val <= desc->max); + } while (desc->min + desc->step * new_val <= desc->max); new_idx = tmp_idx; new_val = tmp_val; |