IRMCE_STATE_HEADER
sc->sc_ir_state = IRMCE_STATE_HEADER;
case IRMCE_STATE_HEADER:
sc->sc_ir_state = IRMCE_STATE_HEADER;
sc->sc_ir_state = IRMCE_STATE_HEADER;
sc->sc_ir_state = IRMCE_STATE_HEADER;
sc->sc_ir_state = IRMCE_STATE_HEADER;