DA_STATE_PROBE_RC16
softc->state = DA_STATE_PROBE_RC16;
softc->state = DA_STATE_PROBE_RC16;
case DA_STATE_PROBE_RC16:
softc->state = DA_STATE_PROBE_RC16;
KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
softc->state = DA_STATE_PROBE_RC16;