HDAC_GCTL
HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) |
HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) |
gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL);
HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl & ~HDAC_GCTL_CRST);
gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL);
gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL);
HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl | HDAC_GCTL_CRST);
gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL);
[HDAC_GCTL] = hda_set_gctl,