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authorAxel Lin <axel.lin@ingics.com>2013-03-05 10:17:57 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-05 13:56:40 +0400
commitea88b132acdf3270b812117f622b0df044e6b76f (patch)
tree5adbffc156e673dfe34533d247eb89c07e861895 /drivers/regulator/max8649.c
parent318c658b7c9da58c80aef417e8f51152c604e6bc (diff)
downloadlinux-ea88b132acdf3270b812117f622b0df044e6b76f.tar.xz
regulator: max8649: Use enable_is_inverted flag with 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/max8649.c')
-rw-r--r--drivers/regulator/max8649.c39
1 files changed, 6 insertions, 33 deletions
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 3ca14380f22d..fdb67ff98129 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -60,36 +60,6 @@ struct max8649_regulator_info {
unsigned ramp_down:1;
};
-/* EN_PD means pulldown on EN input */
-static int max8649_enable(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD, 0);
-}
-
-/*
- * Applied internal pulldown resistor on EN input pin.
- * If pulldown EN pin outside, it would be better.
- */
-static int max8649_disable(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD,
- MAX8649_EN_PD);
-}
-
-static int max8649_is_enabled(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- unsigned int val;
- int ret;
-
- ret = regmap_read(info->regmap, MAX8649_CONTROL, &val);
- if (ret != 0)
- return ret;
- return !((unsigned char)val & MAX8649_EN_PD);
-}
-
static int max8649_enable_time(struct regulator_dev *rdev)
{
struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
@@ -151,9 +121,9 @@ static struct regulator_ops max8649_dcdc_ops = {
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
- .enable = max8649_enable,
- .disable = max8649_disable,
- .is_enabled = max8649_is_enabled,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
.enable_time = max8649_enable_time,
.set_mode = max8649_set_mode,
.get_mode = max8649_get_mode,
@@ -169,6 +139,9 @@ static struct regulator_desc dcdc_desc = {
.vsel_mask = MAX8649_VOL_MASK,
.min_uV = MAX8649_DCDC_VMIN,
.uV_step = MAX8649_DCDC_STEP,
+ .enable_reg = MAX8649_CONTROL,
+ .enable_mask = MAX8649_EN_PD,
+ .enable_is_inverted = true,
};
static struct regmap_config max8649_regmap_config = {