Do not assume the gpio regulator states map is sorted in any order.
This patch ensures we always set the smallest voltage/current that falls within
the specified range.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Acked-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>