487 	u32 pch_ctl1, pch_ctl2, schicken;  in lpt_enable_backlight()  local
489 	pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1);  in lpt_enable_backlight()
490 	if (pch_ctl1 & BLM_PCH_PWM_ENABLE) {  in lpt_enable_backlight()
492 		pch_ctl1 &= ~BLM_PCH_PWM_ENABLE;  in lpt_enable_backlight()
493 		intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1);  in lpt_enable_backlight()
515 	pch_ctl1 = 0;  in lpt_enable_backlight()
517 		pch_ctl1 |= BLM_PCH_POLARITY;  in lpt_enable_backlight()
521 		pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE;  in lpt_enable_backlight()
523 	intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1);  in lpt_enable_backlight()
526 		       pch_ctl1 | BLM_PCH_PWM_ENABLE);  in lpt_enable_backlight()
539 	u32 cpu_ctl2, pch_ctl1, pch_ctl2;  in pch_enable_backlight()  local
548 	pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1);  in pch_enable_backlight()
549 	if (pch_ctl1 & BLM_PCH_PWM_ENABLE) {  in pch_enable_backlight()
551 		pch_ctl1 &= ~BLM_PCH_PWM_ENABLE;  in pch_enable_backlight()
552 		intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1);  in pch_enable_backlight()
569 	pch_ctl1 = 0;  in pch_enable_backlight()
571 		pch_ctl1 |= BLM_PCH_POLARITY;  in pch_enable_backlight()
573 	intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, pch_ctl1);  in pch_enable_backlight()
576 		       pch_ctl1 | BLM_PCH_PWM_ENABLE);  in pch_enable_backlight()
1246 	u32 cpu_ctl2, pch_ctl1, pch_ctl2, val;  in lpt_setup_backlight()  local
1255 	pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1);  in lpt_setup_backlight()
1256 	panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY;  in lpt_setup_backlight()
1271 	panel->backlight.pwm_enabled = pch_ctl1 & BLM_PCH_PWM_ENABLE;  in lpt_setup_backlight()
1274 		   !(pch_ctl1 & BLM_PCH_OVERRIDE_ENABLE) &&  in lpt_setup_backlight()
1286 			       pch_ctl1 | BLM_PCH_OVERRIDE_ENABLE);  in lpt_setup_backlight()
1299 	u32 cpu_ctl2, pch_ctl1, pch_ctl2;  in pch_setup_backlight()  local
1301 	pch_ctl1 = intel_de_read(dev_priv, BLC_PWM_PCH_CTL1);  in pch_setup_backlight()
1302 	panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY;  in pch_setup_backlight()
1317 		(pch_ctl1 & BLM_PCH_PWM_ENABLE);  in pch_setup_backlight()