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Commit 4220f83b authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Greg Kroah-Hartman
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pwm: sprd: Explicitly set .polarity in .get_state() 

[ Upstream commit 2be4dcf6627e1bcbbef8e6ba1811f5127d39202c ]

The driver only supports normal polarity. Complete the implementation of
.get_state() by setting .polarity accordingly.

Fixes: 8aae4b02 ("pwm: sprd: Add Spreadtrum PWM support")
Link: https://lore.kernel.org/r/20230228135508.1798428-5-u.kleine-koenig@pengutronix.de


Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 6e1f2939

drivers/pwm/pwm-sprd.c

+1 −0
Original line number Diff line number Diff line
@@ -109,6 +109,7 @@ static void sprd_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, 
	duty = val & SPRD_PWM_DUTY_MSK;

	tmp = (prescale + 1) * NSEC_PER_SEC * duty;

	state->duty_cycle = DIV_ROUND_CLOSEST_ULL(tmp, chn->clk_rate);

	state->polarity = PWM_POLARITY_NORMAL;



	/* Disable PWM clocks if the PWM channel is not in enable state. */

	if (!state->enabled)