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regulator: ad5398: Use DIV_ROUND_UP macro to calculate selector

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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-03-02 16:20:54 +08:00 committed by Mark Brown
parent b21bcd1ada
commit 8148ed6e66
1 changed files with 2 additions and 2 deletions
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4
drivers/regulator/ad5398.c
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@ -94,8 +94,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
if (max_uA > chip->max_uA || max_uA < chip->min_uA)
return -EINVAL;
selector = ((min_uA - chip->min_uA) * chip->current_level +
range_uA - 1) / range_uA;
selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,
range_uA);
if (ad5398_calc_current(chip, selector) > max_uA)
return -EINVAL;