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regulator: core: Fix logic to determinate if regulator can change voltage

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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 <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Axel Lin 2012-12-11 20:36:37 +08:00 • committed by Mark Brown
commit 8a23b4e03d
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/core.c
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@ -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;