diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2017-03-28 15:14:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-04-06 19:29:37 +0100 |
| commit | f7d37bc3cb20828ac43b22cbd40222877ee2c46a (patch) | |
| tree | fc8925fad5871c81f776ed6b58cbfe729abdf681 /drivers/regulator | |
| parent | a7a453f56a1a116027f84ac53b365eb045a0e279 (diff) | |
| download | linux-f7d37bc3cb20828ac43b22cbd40222877ee2c46a.tar.bz2 | |
regulator: helpers: Add regmap set_pull_down helper
Add a helper function regulator_set_pull_down_regmap to allow regmap
based regulators to easily enable pull down.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/helpers.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index a75e7da49af8..2ae7c3ac5940 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -464,6 +464,24 @@ int regulator_set_soft_start_regmap(struct regulator_dev *rdev) EXPORT_SYMBOL_GPL(regulator_set_soft_start_regmap); /** + * regulator_set_pull_down_regmap - Default set_pull_down() using regmap + * + * @rdev: device to operate on. + */ +int regulator_set_pull_down_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + + val = rdev->desc->pull_down_val_on; + if (!val) + val = rdev->desc->pull_down_mask; + + return regmap_update_bits(rdev->regmap, rdev->desc->pull_down_reg, + rdev->desc->pull_down_mask, val); +} +EXPORT_SYMBOL_GPL(regulator_set_pull_down_regmap); + +/** * regulator_get_bypass_regmap - Default get_bypass() using regmap * * @rdev: device to operate on. |