Commit 1a679930 authored Nov 30, 2012 by Axel Lin Committed by Mark Brown Dec 03, 2012

regulator: wm831x-dcdc: Ensure selected voltage falls within requested range



Use DIV_ROUND_UP to ensure selected voltage won't less than min_uV due to
integer truncation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

parent 9489e9dc

drivers/regulator/wm831x-dcdc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -223,7 +223,7 @@ static int wm831x_buckv_map_voltage(struct regulator_dev *rdev,
		if (min_uV < 600000)
		vsel = 0;
		else if (min_uV <= 1800000)
		vsel = ((min_uV - 600000) / 12500) + 8;
		vsel = DIV_ROUND_UP(min_uV - 600000, 12500) + 8;
		else
		return -EINVAL;