[PATCH 5.15 65/73] pwm: hibvt: Explicitly set .polarity in .get_state()

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>

[ Upstream commit 6f57937980142715e927697a6ffd2050f38ed6f6 ]

The driver only both polarities. Complete the implementation of
.get_state() by setting .polarity according to the configured hardware
state.

Fixes: d09f00810850 ("pwm: Add PWM driver for HiSilicon BVT SOCs")
Link: https://lore.kernel.org/r/20230228135508.1798428-2-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: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/pwm/pwm-hibvt.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -146,6 +146,7 @@ static void hibvt_pwm_get_state(struct p
 
 	value = readl(base + PWM_CTRL_ADDR(pwm->hwpwm));
 	state->enabled = (PWM_ENABLE_MASK & value);
+	state->polarity = (PWM_POLARITY_MASK & value) ? PWM_POLARITY_INVERSED : PWM_POLARITY_NORMAL;
 }
 
 static int hibvt_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,