applesmc_read_key
ret = applesmc_read_key(key, buffer, 2);
if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) &&
ret = applesmc_read_key(FANS_COUNT, tmp, 1);
ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);
ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);
ret = applesmc_read_key(newkey, buffer, 2);
ret = applesmc_read_key(FANS_MANUAL, buffer, 2);
ret = applesmc_read_key(FANS_MANUAL, buffer, 2);
ret = applesmc_read_key(newkey, buffer, 16);
ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4);