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#include <common.h>
#include <regmap.h>
#include <regulator.h>
/**
* regulator_is_enabled_regmap - standard is_enabled() for regmap users
*
* @rdev: regulator to operate on
*
* Regulators that use regmap for their register I/O can set the
* enable_reg and enable_mask fields in their descriptor and then use
* this as their is_enabled operation, saving some code.
*/
int regulator_is_enabled_regmap(struct regulator_dev *rdev)
{
unsigned int val;
int ret;
ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
if (ret != 0)
return ret;
val &= rdev->desc->enable_mask;
if (rdev->desc->enable_is_inverted) {
if (rdev->desc->enable_val)
return val != rdev->desc->enable_val;
return val == 0;
} else {
if (rdev->desc->enable_val)
return val == rdev->desc->enable_val;
return val != 0;
}
}
EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
/**
* regulator_enable_regmap - standard enable() for regmap users
*
* @rdev: regulator to operate on
*
* Regulators that use regmap for their register I/O can set the
* enable_reg and enable_mask fields in their descriptor and then use
* this as their enable() operation, saving some code.
*/
int regulator_enable_regmap(struct regulator_dev *rdev)
{
unsigned int val;
if (rdev->desc->enable_is_inverted) {
val = rdev->desc->disable_val;
} else {
val = rdev->desc->enable_val;
if (!val)
val = rdev->desc->enable_mask;
}
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
rdev->desc->enable_mask, val);
}
EXPORT_SYMBOL_GPL(regulator_enable_regmap);
/**
* regulator_disable_regmap - standard disable() for regmap users
*
* @rdev: regulator to operate on
*
* Regulators that use regmap for their register I/O can set the
* enable_reg and enable_mask fields in their descriptor and then use
* this as their disable() operation, saving some code.
*/
int regulator_disable_regmap(struct regulator_dev *rdev)
{
unsigned int val;
if (rdev->desc->enable_is_inverted) {
val = rdev->desc->enable_val;
if (!val)
val = rdev->desc->enable_mask;
} else {
val = rdev->desc->disable_val;
}
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
rdev->desc->enable_mask, val);
}
EXPORT_SYMBOL_GPL(regulator_disable_regmap);
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