BACKLIGHT_KEY     581 drivers/hwmon/applesmc.c 	ret = applesmc_has_key(BACKLIGHT_KEY, &s->has_key_backlight);
BACKLIGHT_KEY     649 drivers/hwmon/applesmc.c 		applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2);
BACKLIGHT_KEY     925 drivers/hwmon/applesmc.c 	applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2);