au_get_port       180 dev/audio.c    int	au_get_port(struct audio_softc *, struct au_mixer_ports *);
au_get_port      2779 dev/audio.c    	r->port = au_get_port(sc, &sc->sc_inports);
au_get_port      2780 dev/audio.c    	p->port = au_get_port(sc, &sc->sc_outports);