1462 static int read_brightness(struct backlight_device *bd)  in read_brightness()  argument
1464 	struct asus_wmi *asus = bl_get_data(bd);  in read_brightness()
1476 static u32 get_scalar_command(struct backlight_device *bd)  in get_scalar_command()  argument
1478 	struct asus_wmi *asus = bl_get_data(bd);  in get_scalar_command()
1481 	if ((asus->driver->brightness < bd->props.brightness) ||  in get_scalar_command()
1482 	    bd->props.brightness == bd->props.max_brightness)  in get_scalar_command()
1484 	else if ((asus->driver->brightness > bd->props.brightness) ||  in get_scalar_command()
1485 		 bd->props.brightness == 0)  in get_scalar_command()
1488 	asus->driver->brightness = bd->props.brightness;  in get_scalar_command()
1493 static int update_bl_status(struct backlight_device *bd)  in update_bl_status()  argument
1495 	struct asus_wmi *asus = bl_get_data(bd);  in update_bl_status()
1500 	if (power != -ENODEV && bd->props.power != power) {  in update_bl_status()
1501 		ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);  in update_bl_status()
1505 			asus->driver->panel_power = bd->props.power;  in update_bl_status()
1514 		ctrl_param = get_scalar_command(bd);  in update_bl_status()
1516 		ctrl_param = bd->props.brightness;  in update_bl_status()
1531 	struct backlight_device *bd = asus->backlight_device;  in asus_wmi_backlight_notify()  local
1532 	int old = bd->props.brightness;  in asus_wmi_backlight_notify()
1540 	bd->props.brightness = new;  in asus_wmi_backlight_notify()
1541 	backlight_update_status(bd);  in asus_wmi_backlight_notify()
1542 	backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);  in asus_wmi_backlight_notify()
1549 	struct backlight_device *bd;  in asus_wmi_backlight_init()  local
1568 	bd = backlight_device_register(asus->driver->name,  in asus_wmi_backlight_init()
1571 	if (IS_ERR(bd)) {  in asus_wmi_backlight_init()
1573 		return PTR_ERR(bd);  in asus_wmi_backlight_init()
1576 	asus->backlight_device = bd;  in asus_wmi_backlight_init()
1581 	bd->props.brightness = read_brightness(bd);  in asus_wmi_backlight_init()
1582 	bd->props.power = power;  in asus_wmi_backlight_init()
1583 	backlight_update_status(bd);  in asus_wmi_backlight_init()
1585 	asus->driver->brightness = bd->props.brightness;  in asus_wmi_backlight_init()