From: "Uwe Kleine-K�nig" 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@pengutron... 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,