diff options
| author | Axel Lin <axel.lin@ingics.com> | 2013-03-05 10:16:00 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-05 13:56:39 +0400 |
| commit | 51dcdafcb720a9d1fd73b597d0ccf48837abc59f (patch) | |
| tree | 26eac5d173fb62350aadeb35a63f908acedfbc85 /drivers/regulator/core.c | |
| parent | 0ac682db5c18358d6b3606cab6147dc294c4286d (diff) | |
| download | linux-51dcdafcb720a9d1fd73b597d0ccf48837abc59f.tar.xz | |
regulator: core: Add enable_is_inverted flag to indicate set enable_mask bits to disable
Add enable_is_inverted flag to indicate set enable_mask bits to disable
when using regulator_enable_regmap and friends APIs.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 154bc8f0c1a0..d887b9f5b213 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1794,7 +1794,10 @@ int regulator_is_enabled_regmap(struct regulator_dev *rdev) if (ret != 0) return ret; - return (val & rdev->desc->enable_mask) != 0; + if (rdev->desc->enable_is_inverted) + return (val & rdev->desc->enable_mask) == 0; + else + return (val & rdev->desc->enable_mask) != 0; } EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap); @@ -1809,9 +1812,15 @@ EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap); */ int regulator_enable_regmap(struct regulator_dev *rdev) { + unsigned int val; + + if (rdev->desc->enable_is_inverted) + val = 0; + else + val = rdev->desc->enable_mask; + return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, - rdev->desc->enable_mask, - rdev->desc->enable_mask); + rdev->desc->enable_mask, val); } EXPORT_SYMBOL_GPL(regulator_enable_regmap); @@ -1826,8 +1835,15 @@ EXPORT_SYMBOL_GPL(regulator_enable_regmap); */ int regulator_disable_regmap(struct regulator_dev *rdev) { + unsigned int val; + + if (rdev->desc->enable_is_inverted) + val = rdev->desc->enable_mask; + else + val = 0; + return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, - rdev->desc->enable_mask, 0); + rdev->desc->enable_mask, val); } EXPORT_SYMBOL_GPL(regulator_disable_regmap); |