437 		     panel->backlight.min, panel->backlight.max);  in scale_user_to_hw()
448 	hw_level = scale(user_level, 0, user_max, 0, panel->backlight.max);  in clamp_user_to_hw()
449 	hw_level = clamp(hw_level, panel->backlight.min, panel->backlight.max);  in clamp_user_to_hw()
460 	return scale(hw_level, panel->backlight.min, panel->backlight.max,  in scale_hw_to_user()
471 	WARN_ON(panel->backlight.max == 0);  in intel_panel_compute_brightness()
478 		return panel->backlight.max - val;  in intel_panel_compute_brightness()
584 	WARN_ON(panel->backlight.max == 0);  in i9xx_set_backlight()
589 		lbpc = level * 0xfe / panel->backlight.max + 1;  in i9xx_set_backlight()
645 	WARN_ON(panel->backlight.max == 0);  in intel_panel_set_backlight()
679 	WARN_ON(panel->backlight.max == 0);  in intel_panel_set_backlight_acpi()
788 	pch_ctl2 = panel->backlight.max << 16;  in bdw_enable_backlight()
842 	pch_ctl2 = panel->backlight.max << 16;  in pch_enable_backlight()
867 	freq = panel->backlight.max;  in i9xx_enable_backlight()
907 	freq = panel->backlight.max;  in i965_enable_backlight()
944 	ctl = panel->backlight.max << 16;  in vlv_enable_backlight()
972 	WARN_ON(panel->backlight.max == 0);  in intel_panel_enable_backlight()
975 		panel->backlight.level = panel->backlight.max;  in intel_panel_enable_backlight()
1060 	WARN_ON(panel->backlight.max == 0);  in intel_backlight_device_register()
1069 	props.max_brightness = panel->backlight.max;  in intel_backlight_device_register()
1134 	WARN_ON(panel->backlight.max == 0);  in get_backlight_min_vbt()
1150 	return scale(min, 0, 255, 0, panel->backlight.max);  in get_backlight_min_vbt()
1164 	panel->backlight.max = pch_ctl2 >> 16;  in bdw_setup_backlight()
1165 	if (!panel->backlight.max)  in bdw_setup_backlight()
1190 	panel->backlight.max = pch_ctl2 >> 16;  in pch_setup_backlight()
1191 	if (!panel->backlight.max)  in pch_setup_backlight()
1221 	panel->backlight.max = ctl >> 17;  in i9xx_setup_backlight()
1223 		panel->backlight.max *= 0xff;  in i9xx_setup_backlight()
1225 	if (!panel->backlight.max)  in i9xx_setup_backlight()
1250 	panel->backlight.max = ctl >> 16;  in i965_setup_backlight()
1252 		panel->backlight.max *= 0xff;  in i965_setup_backlight()
1254 	if (!panel->backlight.max)  in i965_setup_backlight()
1295 	panel->backlight.max = ctl >> 16;  in vlv_setup_backlight()
1296 	if (!panel->backlight.max)  in vlv_setup_backlight()
1343 		      panel->backlight.level, panel->backlight.max);  in intel_panel_setup_backlight()