EAP_I2
sc->sc_ei[EAP_I2].parent = self;
sc->sc_ei[EAP_I2].index = EAP_DAC1;
sc->sc_ei[EAP_I2].ei_audiodev =
audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
if (ei->index == EAP_I2 && flags & FREAD)