haltwo_write
haltwo_write(sc, ctl, HAL2_REG_CTL_IDR0, low);
haltwo_write(sc, ctl, HAL2_REG_CTL_IDR1, high);
haltwo_write(sc, ctl, HAL2_REG_CTL_IDR2, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_IDR3, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_IAR, ireg);
haltwo_write(sc, ctl, HAL2_REG_CTL_IAR,
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR,
haltwo_write(sc, vol, HAL2_REG_VOL_LEFT, sc->sc_vol_left);
haltwo_write(sc, vol, HAL2_REG_VOL_RIGHT, sc->sc_vol_right);
haltwo_write(sc, vol, HAL2_REG_VOL_LEFT,
haltwo_write(sc, vol, HAL2_REG_VOL_RIGHT,
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR,