regulator: Ensure enough enable time for max8649

Integer division may truncate the result, thus max8649_enable_time() may return
slightly shorter enable time. This patch fixes it.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Axel Lin 2011-08-02 12:54:56 +08:00 committed by Liam Girdwood
parent 99cd25ce10
commit e69c499790

View File

@ -221,7 +221,7 @@ static int max8649_enable_time(struct regulator_dev *rdev)
ret = (ret & MAX8649_RAMP_MASK) >> 5;
rate = (32 * 1000) >> ret; /* uV/uS */
return (voltage / rate);
return DIV_ROUND_UP(voltage, rate);
}
static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)