Axel Lin
7a4beda0c6
regulator: as3711: Fix the logic in as3711_sel_check ...
Below equation means the "voltage" is the "smallest" voltage within specific
range.
ret = DIV_ROUND_UP(min - bottom) / step;
voltage = ret * step + bottom;
If we do try 1 down when (voltage > max), new voltage is then less than min
voltage. Which means the new voltage is not in the requested voltage range.
This patch also includes below cleanups:
- Use DIV_ROUND_UP
- rename variable 'ret' to 'sel' for better readability because as3711_sel_check
returns the selector.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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7a4beda0c6