wss_irq
if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) {
(interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq]));
sc->wss_irq = irq->ar_irq;
sc->sc_ad1848.sc_ih = isa_intr_establish(sc->wss_ic, sc->wss_irq,
sc->wss_irq = ia->ia_irq[0].ir_irq;
sc->wss_irq = ipa->ipa_irq[0].num;