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regulator: core: Fix voltage change propagations to supply regulators 

Some regulators support get_voltage() and some support get_voltage_sel()
operations but currently we only propagate changes if the regulator has
a get_voltage() operation.  Also do this if we've got get_voltage_sel()

[Rewite commit message for clarity -- broonie]

Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tirupathi Reddy 2017-05-25 15:33:17 +05:30 committed by Mark Brown
parent 2ea659a9ef
commit 2c2874b191
1 changed files with 2 additions and 1 deletions
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3
drivers/regulator/core.c
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@ -2938,7 +2938,8 @@ static int regulator_set_voltage_unlocked(struct regulator *regulator,
if (rdev->supply &&
regulator_ops_is_valid(rdev->supply->rdev,
REGULATOR_CHANGE_VOLTAGE) &&
(rdev->desc->min_dropout_uV || !rdev->desc->ops->get_voltage)) {
(rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage ||
rdev->desc->ops->get_voltage_sel))) {
int current_supply_uV;
int selector;