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Merge remote-tracking branch 'regulator/topic/enable-invert' into v3.9-rc8

This commit is contained in:
Mark Brown 2013-04-28 02:13:37 +01:00
parent 0e340ce1dd ea88b132ac
commit 1d60a4cf97
4 changed files with 33 additions and 69 deletions
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36
drivers/regulator/88pm8607.c
View File

@ -220,35 +220,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
return ret;
}
static int pm8606_preg_enable(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
1 << rdev->desc->enable_mask, 0);
}
static int pm8606_preg_disable(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
1 << rdev->desc->enable_mask,
1 << rdev->desc->enable_mask);
}
static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
int ret;
ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg);
if (ret < 0)
return ret;
return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
}
static struct regulator_ops pm8607_regulator_ops = {
.list_voltage = pm8607_list_voltage,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
@ -259,9 +230,9 @@ static struct regulator_ops pm8607_regulator_ops = {
};
static struct regulator_ops pm8606_preg_ops = {
.enable = pm8606_preg_enable,
.disable = pm8606_preg_disable,
.is_enabled = pm8606_preg_is_enabled,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
};
#define PM8606_PREG(ereg, ebit) \
@ -274,6 +245,7 @@ static struct regulator_ops pm8606_preg_ops = {
.owner = THIS_MODULE, \
.enable_reg = PM8606_##ereg, \
.enable_mask = (ebit), \
.enable_is_inverted = true, \
}, \
}

24
drivers/regulator/core.c
View File

@ -1803,7 +1803,10 @@ 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);
@ -1818,9 +1821,15 @@ 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);
@ -1835,8 +1844,15 @@ 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);

39
drivers/regulator/max8649.c
View File

@ -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 = {

3
include/linux/regulator/driver.h
View File

@ -199,6 +199,8 @@ enum regulator_type {
* output when using regulator_set_voltage_sel_regmap
* @enable_reg: Register for control when using regmap enable/disable ops
* @enable_mask: Mask for control when using regmap enable/disable ops
* @enable_is_inverted: A flag to indicate set enable_mask bits to disable
* when using regulator_enable_regmap and friends APIs.
* @bypass_reg: Register for control when using regmap set_bypass
* @bypass_mask: Mask for control when using regmap set_bypass
*
@ -228,6 +230,7 @@ struct regulator_desc {
unsigned int apply_bit;
unsigned int enable_reg;
unsigned int enable_mask;
bool enable_is_inverted;
unsigned int bypass_reg;
unsigned int bypass_mask;