iichid_set_power_state
error = iichid_set_power_state(sc, IICHID_PS_NULL, IICHID_PS_OFF);
error = iichid_set_power_state(sc, IICHID_PS_NULL, IICHID_PS_ON);
iichid_set_power_state(sc, IICHID_PS_ON, IICHID_PS_NULL);
iichid_set_power_state(sc, IICHID_PS_OFF, IICHID_PS_NULL);