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regulator: Provide mode to status conversion function 

This is useful for implementing get_status() in terms of get_mode().

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2009-08-04 20:09:52 +02:00 committed by Samuel Ortiz
parent 0c73b992dd
commit be721979dd
2 changed files with 26 additions and 0 deletions
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24
drivers/regulator/core.c
View File

@ -1864,6 +1864,30 @@ int regulator_notifier_call_chain(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(regulator_notifier_call_chain);
/**
* regulator_mode_to_status - convert a regulator mode into a status
*
* @mode: Mode to convert
*
* Convert a regulator mode into a status.
*/
int regulator_mode_to_status(unsigned int mode)
{
switch (mode) {
case REGULATOR_MODE_FAST:
return REGULATOR_STATUS_FAST;
case REGULATOR_MODE_NORMAL:
return REGULATOR_STATUS_NORMAL;
case REGULATOR_MODE_IDLE:
return REGULATOR_STATUS_IDLE;
case REGULATOR_STATUS_STANDBY:
return REGULATOR_STATUS_STANDBY;
default:
return 0;
}
}
EXPORT_SYMBOL_GPL(regulator_mode_to_status);
/*
* To avoid cluttering sysfs (and memory) with useless state, only
* create attributes that can be meaningfully displayed.

2
include/linux/regulator/driver.h
View File

@ -193,6 +193,8 @@ void *rdev_get_drvdata(struct regulator_dev *rdev);
struct device *rdev_get_dev(struct regulator_dev *rdev);
int rdev_get_id(struct regulator_dev *rdev);
int regulator_mode_to_status(unsigned int);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
#endif