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regulator: add a new API regulator_set_voltage_tol()

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There are some use cases where a voltage range could be reasonably
specified by a target voltage and tolerance.  Add a new API
regulator_set_voltage_tol() wrapping regulator_set_voltage() call
to ease the users.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Shawn Guo 2012-08-05 23:05:20 +08:00 committed by Mark Brown
parent 0d7614f09c
commit 3f1965776f
1 changed files with 7 additions and 0 deletions
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7
include/linux/regulator/consumer.h
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@ -352,4 +352,11 @@ static inline void regulator_set_drvdata(struct regulator *regulator,
#endif
static inline int regulator_set_voltage_tol(struct regulator *regulator,
int new_uV, int tol_uV)
{
return regulator_set_voltage(regulator,
new_uV - tol_uV, new_uV + tol_uV);
}
#endif