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| author | Axel Lin <axel.lin@gmail.com> | 2012-06-07 09:52:12 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-06-08 07:15:55 +0800 |
| commit | 0bdc81e4e944781a2bcc971f9e3cf24ac7030939 (patch) | |
| tree | db226fc302866c2d24d8c0df02e02607cf8f31b4 /drivers | |
| parent | 61663171bea0ccb499f0818234c5be7ea6c4c791 (diff) | |
| download | linux-0bdc81e4e944781a2bcc971f9e3cf24ac7030939.tar.gz linux-0bdc81e4e944781a2bcc971f9e3cf24ac7030939.tar.bz2 linux-0bdc81e4e944781a2bcc971f9e3cf24ac7030939.zip | |
regulator: core: Properly handle the case min_uV < rdev->desc->min_uV in map_voltage_linear
Properly handle the case if the specified min_uV is less than the voltage given
by the lowest selector.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 7584a74eec8a..09a737c868b5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2050,6 +2050,9 @@ int regulator_map_voltage_linear(struct regulator_dev *rdev, return -EINVAL; } + if (min_uV < rdev->desc->min_uV) + min_uV = rdev->desc->min_uV; + ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step); if (ret < 0) return ret; |