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| author |   Axel Lin <axel.lin@ingics.com> | 2012-12-11 20:36:37 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-12-11 21:44:23 +0900 |
| commit | 8a23b4e03d6873ec50f7d212de78ff01e393fc1a (patch) | |
| tree | 4cedde456bb56b1745eebdc2ebfa68b39cc1c998 /drivers/regulator/core.c | |
| parent | Merge branch 'topic/min' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-change (diff) | |
| download | linux-dev-8a23b4e03d6873ec50f7d212de78ff01e393fc1a.tar.xz linux-dev-8a23b4e03d6873ec50f7d212de78ff01e393fc1a.zip | |
regulator: core: Fix logic to determinate if regulator can change voltage
Having a linear_min_sel setting means the first linear_min_sel selectors are
invalid. We need to subtract linear_min_sel when use n_voltages to determinate
if regulator can change voltage.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 1c8ff8ce5c57..f3cdfe5810cc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1881,7 +1881,7 @@ int regulator_can_change_voltage(struct regulator *regulator) if (rdev->constraints && rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE && - rdev->desc->n_voltages > 1) + (rdev->desc->n_voltages - rdev->desc->linear_min_sel) > 1) return 1; return 0; |