Unverified Commit 6a7d11ef authored by Martin Blumenstingl's avatar Martin Blumenstingl Committed by Mark Brown
Browse files

regulator: pwm-regulator: Calculate the output voltage for disabled PWMs 



If a PWM output is disabled then it's voltage has to be calculated
based on a zero duty cycle (for normal polarity) or duty cycle being
equal to the PWM period (for inverted polarity). Add support for this
to pwm_regulator_get_voltage().

Signed-off-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://msgid.link/r/20240113224628.377993-3-martin.blumenstingl@googlemail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c92688ca

drivers/regulator/pwm-regulator.c

+7 −0
Original line number Diff line number Diff line
@@ -157,6 +157,13 @@ static int pwm_regulator_get_voltage(struct regulator_dev *rdev) 


	pwm_get_state(drvdata->pwm, &pstate);



	if (!pstate.enabled) {

		if (pstate.polarity == PWM_POLARITY_INVERSED)

			pstate.duty_cycle = pstate.period;

		else

			pstate.duty_cycle = 0;

	}



	voltage = pwm_get_relative_duty_cycle(&pstate, duty_unit);

	if (voltage < min(max_uV_duty, min_uV_duty) ||

	    voltage > max(max_uV_duty, min_uV_duty))