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regulator: Fix the logic to ensure new voltage setting in valid range

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commit f55205f4d4 upstream.

I think this is a typo.
To ensure new voltage setting won't greater than desc->max,
the equation should be desc->min + desc->step * new_val <= desc->max.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Axel Lin
2012-04-11 20:53:58 +08:00
committed by Greg Kroah-Hartman
parent cb68af469f
commit efa80b562a
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/max8997.c
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@@ -688,7 +688,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
}
new_val++;
} while (desc->min + desc->step + new_val <= desc->max);
} while (desc->min + desc->step * new_val <= desc->max);
new_idx = tmp_idx;
new_val = tmp_val;