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regulator: core: Provide regmap get/set bypass operations

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-08-27 16:04:23 -07:00
parent f59c8f9fe6
commit df36793115
2 changed files with 45 additions and 0 deletions
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41
drivers/regulator/core.c
View File

@ -2698,6 +2698,47 @@ out:
} }
EXPORT_SYMBOL_GPL(regulator_set_optimum_mode); EXPORT_SYMBOL_GPL(regulator_set_optimum_mode);
/**
* regulator_set_bypass_regmap - Default set_bypass() using regmap
*
* @rdev: device to operate on.
* @enable: state to set.
*/
int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable)
{
unsigned int val;
if (enable)
val = rdev->desc->bypass_mask;
else
val = 0;
return regmap_update_bits(rdev->regmap, rdev->desc->bypass_reg,
rdev->desc->bypass_mask, val);
}
EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap);
/**
* regulator_get_bypass_regmap - Default get_bypass() using regmap
*
* @rdev: device to operate on.
* @enable: current state.
*/
int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable)
{
unsigned int val;
int ret;
ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val);
if (ret != 0)
return ret;
*enable = val & rdev->desc->bypass_mask;
return 0;
}
EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);
/** /**
* regulator_allow_bypass - allow the regulator to go into bypass mode * regulator_allow_bypass - allow the regulator to go into bypass mode
* *

4
include/linux/regulator/driver.h
View File

@ -214,6 +214,8 @@ struct regulator_desc {
unsigned int vsel_mask; unsigned int vsel_mask;
unsigned int enable_reg; unsigned int enable_reg;
unsigned int enable_mask; unsigned int enable_mask;
unsigned int bypass_reg;
unsigned int bypass_mask;
unsigned int enable_time; unsigned int enable_time;
}; };
@ -320,6 +322,8 @@ int regulator_disable_regmap(struct regulator_dev *rdev);
int regulator_set_voltage_time_sel(struct regulator_dev *rdev, int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int old_selector, unsigned int old_selector,
unsigned int new_selector); unsigned int new_selector);
int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable);
int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);