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| author | Axel Lin <axel.lin@gmail.com> | 2012-03-06 09:56:05 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-11 20:48:51 +0000 |
| commit | e9a15c8cad2a23e86a8e6457a3ab0ab3bda50d35 (patch) | |
| tree | 12053f31464991a3c048afbef9286cba42dbc9fa /drivers/regulator/wm8400-regulator.c | |
| parent | 1c37f8a838fa8b1e98a984893bd4f1a8a9849421 (diff) | |
| download | linux-e9a15c8cad2a23e86a8e6457a3ab0ab3bda50d35.tar.gz linux-e9a15c8cad2a23e86a8e6457a3ab0ab3bda50d35.tar.bz2 linux-e9a15c8cad2a23e86a8e6457a3ab0ab3bda50d35.zip | |
regulator: wm8400: Use DIV_ROUND_UP macro to calculate selector
Use DIV_ROUND_UP macro for better readability.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/wm8400-regulator.c')
| -rw-r--r-- | drivers/regulator/wm8400-regulator.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 706f39563a7b..8477153780b6 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -78,14 +78,14 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev, if (min_uV < 1700000) { /* Steps of 50mV from 900mV; */ - val = (min_uV - 850001) / 50000; + val = DIV_ROUND_UP(min_uV - 900000, 50000); if ((val * 50000) + 900000 > max_uV) return -EINVAL; BUG_ON((val * 50000) + 900000 < min_uV); } else { /* Steps of 100mV from 1700mV */ - val = ((min_uV - 1600001) / 100000); + val = DIV_ROUND_UP(min_uV - 1700000, 100000); if ((val * 100000) + 1700000 > max_uV) return -EINVAL; @@ -168,7 +168,7 @@ static int wm8400_dcdc_set_voltage(struct regulator_dev *dev, if (min_uV < 850000) return -EINVAL; - val = (min_uV - 825001) / 25000; + val = DIV_ROUND_UP(min_uV - 850000, 25000); if (850000 + (25000 * val) > max_uV) return -EINVAL; |