regulator: axp20x: Use linear voltage ranges for AXP20X LDO4

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AXP20X datasheet lists the possible voltage settings for LDO4, so
it was implemented using a voltage table. Upon closer examination,
the valid voltages can be mapped into 3 linear ranges.

Move AXP20X LDO4 to use linear ranges. The supporting code can be
reused with later AXP8xx PMICs, which have a number of regulators
that have 2 linear ranges.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Chen-Yu Tsai 2016-02-02 18:27:38 +08:00 • committed by Mark Brown

parent 94c39041ae

commit 13d57e6435

1 changed files with 17 additions and 15 deletions

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drivers/regulator/axp20x-regulator.c

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