regulator: max1586: Use DIV_ROUND_UP macro to calculate selector

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-03-02 16:22:01 +08:00 committed by Mark Brown
parent 8148ed6e66
commit 7d530d32b0

View file

@ -76,8 +76,8 @@ static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV,
if (min_uV < max1586->min_uV)
min_uV = max1586->min_uV;
*selector = ((min_uV - max1586->min_uV) * MAX1586_V3_MAX_VSEL +
range_uV - 1) / range_uV;
*selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
MAX1586_V3_MAX_VSEL, range_uV);
if (max1586_v3_calc_voltage(max1586, *selector) > max_uV)
return -EINVAL;