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pwm: sprd: Explicitly set .polarity in .get_state() 

[ Upstream commit 2be4dcf662 ]

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

Fixes: 8aae4b02e8 ("pwm: sprd: Add Spreadtrum PWM support")
Link: https://lore.kernel.org/r/20230228135508.1798428-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Uwe Kleine-König 2023-03-22 22:45:43 +01:00 committed by Greg Kroah-Hartman
parent 116a17f977
commit c6af1a3ae7
1 changed files with 1 additions and 0 deletions
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drivers/pwm/pwm-sprd.c
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@ -109,6 +109,7 @@ static int 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)