1394 static int read_brightness(struct backlight_device *bd)  in read_brightness()  argument
1401 static int update_bl_status(struct backlight_device *bd)  in update_bl_status()  argument
1403 	int intensity = bd->props.brightness;  in update_bl_status()
1405 	if (bd->props.power != FB_BLANK_UNBLANK)  in update_bl_status()
1407 	if (bd->props.fb_blank != FB_BLANK_UNBLANK)  in update_bl_status()
1423 	struct backlight_device *bd;  in acer_backlight_init()  local
1428 	bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,  in acer_backlight_init()
1430 	if (IS_ERR(bd)) {  in acer_backlight_init()
1433 		return PTR_ERR(bd);  in acer_backlight_init()
1436 	acer_backlight_device = bd;  in acer_backlight_init()
1438 	bd->props.power = FB_BLANK_UNBLANK;  in acer_backlight_init()
1439 	bd->props.brightness = read_brightness(bd);  in acer_backlight_init()
1440 	backlight_update_status(bd);  in acer_backlight_init()