regulator: da9052: Ensure the selected voltage falls within the specified range
Integer division may truncate the result, use DIV_ROUND_UP to ensure the selected voltage falls within the specified range. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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7b95765495
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9365121869
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@ -226,7 +226,7 @@ static int da9052_regulator_set_voltage_int(struct regulator_dev *rdev,
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if (min_uV < info->min_uV)
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min_uV = info->min_uV;
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*selector = (min_uV - info->min_uV) / info->step_uV;
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*selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
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ret = da9052_list_voltage(rdev, *selector);
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if (ret < 0)
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@ -318,10 +318,10 @@ static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV,
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if ((regulator->da9052->chip_id == DA9052) &&
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(min_uV >= DA9052_CONST_3uV))
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*selector = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV +
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((min_uV - DA9052_CONST_3uV) /
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(DA9052_BUCK_PERI_3uV_STEP));
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DIV_ROUND_UP(min_uV - DA9052_CONST_3uV,
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DA9052_BUCK_PERI_3uV_STEP);
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else
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*selector = (min_uV - info->min_uV) / info->step_uV;
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*selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
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ret = da9052_list_buckperi_voltage(rdev, *selector);
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if (ret < 0)
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