1121 	u32 pwm_ctl, val;  in bxt_enable_backlight()  local
1140 	pwm_ctl = intel_de_read(dev_priv,  in bxt_enable_backlight()
1142 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in bxt_enable_backlight()
1144 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in bxt_enable_backlight()
1147 			       pwm_ctl);  in bxt_enable_backlight()
1156 	pwm_ctl = 0;  in bxt_enable_backlight()
1158 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in bxt_enable_backlight()
1161 		       pwm_ctl);  in bxt_enable_backlight()
1165 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in bxt_enable_backlight()
1174 	u32 pwm_ctl;  in cnp_enable_backlight()  local
1176 	pwm_ctl = intel_de_read(dev_priv,  in cnp_enable_backlight()
1178 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in cnp_enable_backlight()
1180 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in cnp_enable_backlight()
1183 			       pwm_ctl);  in cnp_enable_backlight()
1192 	pwm_ctl = 0;  in cnp_enable_backlight()
1194 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in cnp_enable_backlight()
1197 		       pwm_ctl);  in cnp_enable_backlight()
1201 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in cnp_enable_backlight()
1848 	u32 pwm_ctl, val;  in bxt_setup_backlight()  local
1852 	pwm_ctl = intel_de_read(dev_priv,  in bxt_setup_backlight()
1862 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in bxt_setup_backlight()
1874 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in bxt_setup_backlight()
1884 	u32 pwm_ctl;  in cnp_setup_backlight()  local
1893 	pwm_ctl = intel_de_read(dev_priv,  in cnp_setup_backlight()
1896 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in cnp_setup_backlight()
1908 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in cnp_setup_backlight()