emu_timer_set
emu_timer_set(sc->card, ch->timer, ch->blksz / ch->buffer->align);
emu_timer_set(sc->card, ch->timer, ch->blksz /
emu_timer_set(sc->card, ch->timer, ch->blksz /
int emu_timer_set(struct emu_sc_info *sc, int timer, int delay);