pwm: cros-ec: Explicitly set .polarity in .get_state()

[ Upstream commit 30006b77c7e130e01d1ab2148cc8abf73dfcc4bf ]

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

Reviewed-by: Guenter Roeck <groeck@chromium.org>
Fixes: 1f0d3bb02785 ("pwm: Add ChromeOS EC PWM driver")
Link: https://lore.kernel.org/r/20230228135508.1798428-3-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>

diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c
index 86df6702cb8358233cdfa5cf45b7946837ceefbe..ad18b0ebe3f1ee3446d21d646412c69156f9859b 100644 (file)
--- a/drivers/pwm/pwm-cros-ec.c
+++ b/drivers/pwm/pwm-cros-ec.c
@@ -198,6 +198,7 @@ static int cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 
        state->enabled = (ret > 0);
        state->period = EC_PWM_MAX_DUTY;
+       state->polarity = PWM_POLARITY_NORMAL;
 
        /*
         * Note that "disabled" and "duty cycle == 0" are treated the same. If