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Commit e08ef739 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
Browse files

regulator: tps62360: Simplify tps62360_set_voltage_time_sel implementation 



For linear mappings, we can use below equation to get the voltage difference
between new_selector and old_selector:

abs(new_selector - old_selector) * rdev->desc->uV_step

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent c70ad9dc

drivers/regulator/tps62360-regulator.c

+3 −10
Original line number Diff line number Diff line
@@ -179,17 +179,10 @@ static int tps62360_set_voltage_time_sel(struct regulator_dev *rdev, 
		unsigned int old_selector, unsigned int new_selector)

{

	struct tps62360_chip *tps = rdev_get_drvdata(rdev);

	int old_uV, new_uV;



	old_uV = regulator_list_voltage_linear(rdev, old_selector);

	if (old_uV < 0)

		return old_uV;



	new_uV = regulator_list_voltage_linear(rdev, new_selector);

	if (new_uV < 0)

		return new_uV;



	return DIV_ROUND_UP(abs(old_uV - new_uV), tps->change_uv_per_us);

	return DIV_ROUND_UP(abs(new_selector - old_selector) *

			    rdev->desc->uV_step,

			    tps->change_uv_per_us);

}



static int tps62360_set_mode(struct regulator_dev *rdev, unsigned int mode)