cs4280_get_portnum_by_name
int cs4280_get_portnum_by_name(struct cs4280_softc *, char *, char *,
ctl.dev = cs4280_get_portnum_by_name(sc, AudioCoutputs,
ctl.dev = cs4280_get_portnum_by_name(sc, AudioCinputs,
ctl.dev = cs4280_get_portnum_by_name(sc, AudioCinputs,