With following equation for calculating voltage_to_duty_cycle_percentage 100 - (((req_uV * 100) - (min_uV * 100)) / diff); we get 0% for max_uV and 100% for min_uV. Correcting this to ((req_uV * 100) - (min_uV * 100)) / diff; to get proper duty cycle. Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx> Cc: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/regulator/pwm-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index 3aca067..4d8eb35 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -115,7 +115,7 @@ static int pwm_voltage_to_duty_cycle_percentage(struct regulator_dev *rdev, int int max_uV = rdev->constraints->max_uV; int diff = max_uV - min_uV; - return 100 - (((req_uV * 100) - (min_uV * 100)) / diff); + return ((req_uV * 100) - (min_uV * 100)) / diff; } static int pwm_regulator_get_voltage(struct regulator_dev *rdev) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
