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| author | Mark Brown <broonie@kernel.org> | 2016-04-27 16:32:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-04-27 16:32:14 +0100 |
| commit | cbc13a66fdd89ac5e360af32fec0a1a4fcd4d2f1 (patch) | |
| tree | 701908d65a4627d146fd26fb8b5e6515fd0cc32a /drivers/regulator | |
| parent | c438b9d017362b65f6b1a9e54f7f35e7f873dc7c (diff) | |
| parent | fef95019016ac10e250d2c67a3c97af5797e3938 (diff) | |
| download | lwn-cbc13a66fdd89ac5e360af32fec0a1a4fcd4d2f1.tar.gz lwn-cbc13a66fdd89ac5e360af32fec0a1a4fcd4d2f1.zip | |
Merge branch 'topic/bypass' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-supply
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 8362a0a5105d..f6d624dfcf9f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3110,6 +3110,20 @@ EXPORT_SYMBOL_GPL(regulator_sync_voltage); static int _regulator_get_voltage(struct regulator_dev *rdev) { int sel, ret; + bool bypassed; + + if (rdev->desc->ops->get_bypass) { + ret = rdev->desc->ops->get_bypass(rdev, &bypassed); + if (ret < 0) + return ret; + if (bypassed) { + /* if bypassed the regulator must have a supply */ + if (!rdev->supply) + return -EINVAL; + + return _regulator_get_voltage(rdev->supply->rdev); + } + } if (rdev->desc->ops->get_voltage_sel) { sel = rdev->desc->ops->get_voltage_sel(rdev); |