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| author | Axel Lin <axel.lin@gmail.com> | 2012-05-08 19:46:10 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-05-12 11:12:41 +0100 |
| commit | d4eb56a16273a04f10eb7f959e1bb59b6f88d8c9 (patch) | |
| tree | fdcfd0d808c9bb418ad068689cc158209e256fef | |
| parent | 5ceba7bab02df45260452e06f3b9c391ad1d776e (diff) | |
| download | linux-d4eb56a16273a04f10eb7f959e1bb59b6f88d8c9.tar.bz2 | |
regulator: da903x: Fix list voltage for da9030 ldo14
da903x_list_voltage does not return correct voltage for da9030 ldo14.
Implement da9030_list_ldo14_voltage to return correct voltage for da9030 ldo14.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/regulator/da903x.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index 682bdb391abd..a9c4590061c1 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -267,6 +267,24 @@ static int da9030_get_ldo14_voltage(struct regulator_dev *rdev) info->step_uV * (val & ~0x4); } +static int da9030_list_ldo14_voltage(struct regulator_dev *rdev, + unsigned selector) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + int volt; + + if (selector & 0x4) + volt = info->min_uV + info->step_uV * (3 - (selector & ~0x4)); + else + volt = (info->max_uV + info->min_uV) / 2 + + info->step_uV * (selector & ~0x4); + + if (volt > info->max_uV) + return -EINVAL; + + return volt; +} + /* DA9034 specific operations */ static int da9034_set_dvc_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) @@ -357,7 +375,7 @@ static struct regulator_ops da903x_regulator_ldo_ops = { static struct regulator_ops da9030_regulator_ldo14_ops = { .set_voltage = da9030_set_ldo14_voltage, .get_voltage = da9030_get_ldo14_voltage, - .list_voltage = da903x_list_voltage, + .list_voltage = da9030_list_ldo14_voltage, .enable = da903x_enable, .disable = da903x_disable, .is_enabled = da903x_is_enabled, |