691 	u32 pwm_ctl, val;  in bxt_enable_backlight()  local
710 	pwm_ctl = intel_de_read(dev_priv,  in bxt_enable_backlight()
712 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in bxt_enable_backlight()
714 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in bxt_enable_backlight()
717 			       pwm_ctl);  in bxt_enable_backlight()
726 	pwm_ctl = 0;  in bxt_enable_backlight()
728 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in bxt_enable_backlight()
731 		       pwm_ctl);  in bxt_enable_backlight()
735 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in bxt_enable_backlight()
744 	u32 pwm_ctl;  in cnp_enable_backlight()  local
746 	pwm_ctl = intel_de_read(dev_priv,  in cnp_enable_backlight()
748 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in cnp_enable_backlight()
750 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in cnp_enable_backlight()
753 			       pwm_ctl);  in cnp_enable_backlight()
762 	pwm_ctl = 0;  in cnp_enable_backlight()
764 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in cnp_enable_backlight()
767 		       pwm_ctl);  in cnp_enable_backlight()
771 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in cnp_enable_backlight()
1422 	u32 pwm_ctl, val;  in bxt_setup_backlight()  local
1426 	pwm_ctl = intel_de_read(dev_priv,  in bxt_setup_backlight()
1436 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in bxt_setup_backlight()
1448 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in bxt_setup_backlight()
1458 	u32 pwm_ctl;  in cnp_setup_backlight()  local
1467 	pwm_ctl = intel_de_read(dev_priv,  in cnp_setup_backlight()
1470 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in cnp_setup_backlight()
1482 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in cnp_setup_backlight()