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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-01-22 20:43:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-01-22 17:47:36 +0000 |
| commit | 24be0c715617ed9bfc63fa9483f8bda1214b9763 (patch) | |
| tree | cd5bc8d5e8da2ac739310d66bd80b68eee3e91c8 /drivers/regulator | |
| parent | a5872bd3398d0ff2ce4c77794bc7837899c69024 (diff) | |
| download | linux-stable-24be0c715617ed9bfc63fa9483f8bda1214b9763.tar.gz linux-stable-24be0c715617ed9bfc63fa9483f8bda1214b9763.tar.bz2 linux-stable-24be0c715617ed9bfc63fa9483f8bda1214b9763.zip | |
regulator: Make regulator_sync_voltage() usable by coupled regulators
Make regulator_sync_voltage() to re-balance voltage state of a coupled
regulators instead of changing the voltage directly.
Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30
Tested-by: Dmitry Osipenko <digetx@gmail.com> # A500 T20 and Nexus7 T30
Tested-by: Nicolas Chauvet <kwizart@gmail.com> # PAZ00 T20
Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210122174311.28230-1-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index fee924158091..1a4745ec0305 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4131,7 +4131,11 @@ int regulator_sync_voltage(struct regulator *regulator) if (ret < 0) goto out; - ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); + /* balance only, if regulator is coupled */ + if (rdev->coupling_desc.n_coupled > 1) + ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); + else + ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); out: regulator_unlock(rdev); |