diff mbox series

[v3,6/9] rockchip: pwm: Fix default polarity

Message ID 20201120132823.910975188@rtp-net.org
State New
Delegated to: Kever Yang
Headers show
Series rk3399 (Pinebook pro) EDP support | expand

Commit Message

Arnaud Patard (Rtp) Nov. 20, 2020, 1:24 p.m. UTC
In the code, the default polarity is set to positive/positive,
which is neither normal polarity or inverted polarity. It's
only the hardware default. This leads to booting linux with
wrong polarity setting.

Update the code to use PWM_DUTY_POSTIVE | PWM_INACTIVE_NEGATIVE
by default instead.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
diff mbox series

Patch

Index: u-boot/drivers/pwm/rk_pwm.c
===================================================================
--- u-boot.orig/drivers/pwm/rk_pwm.c
+++ u-boot/drivers/pwm/rk_pwm.c
@@ -146,7 +146,7 @@  static int rk_pwm_probe(struct udevice *
 	priv->data = (struct rockchip_pwm_data *)dev_get_driver_data(dev);
 
 	if (priv->data->supports_polarity)
-		priv->conf_polarity = PWM_DUTY_POSTIVE | PWM_INACTIVE_POSTIVE;
+		priv->conf_polarity = PWM_DUTY_POSTIVE | PWM_INACTIVE_NEGATIVE;
 
 	return 0;
 }