pwm: rockchip: Set polarity unconditionally in .get_state()

Don't rely on *state being zero initialized and PWM_POLARITY_NORMAL
being zero. So always assign .polarity.
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-rockchip.c

@@ -90,10 +90,10 @@ static void rockchip_pwm_get_state(struct pwm_chip *chip,
 		state->enabled = ((val & enable_conf) == enable_conf) ?
 				 true : false;
 
-	if (pc->data->supports_polarity) {
-		if (!(val & PWM_DUTY_POSITIVE))
+	if (pc->data->supports_polarity && !(val & PWM_DUTY_POSITIVE))
 		state->polarity = PWM_POLARITY_INVERSED;
-	}
+	else
+		state->polarity = PWM_POLARITY_NORMAL;
 
 	clk_disable(pc->pclk);
 }