regulator: max8997: Use simple equation to get selector
It's more efficient to get the best selector by simple equation. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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1 changed files with 5 additions and 4 deletions
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@ -415,7 +415,7 @@ static inline int max8997_get_voltage_proper_val(
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const struct voltage_map_desc *desc,
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int min_vol, int max_vol)
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{
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int i = 0;
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int i;
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if (desc == NULL)
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return -EINVAL;
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@ -423,9 +423,10 @@ static inline int max8997_get_voltage_proper_val(
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if (max_vol < desc->min || min_vol > desc->max)
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return -EINVAL;
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while (desc->min + desc->step * i < min_vol &&
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desc->min + desc->step * i < desc->max)
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i++;
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if (min_vol < desc->min)
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min_vol = desc->min;
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i = DIV_ROUND_UP(min_vol - desc->min, desc->step);
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if (desc->min + desc->step * i > max_vol)
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return -EINVAL;
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