fcu_write
static int fcu_write(device_t dev, uint32_t addr, uint8_t reg, uint8_t *buf,
fcu_write(sc->sc_dev, sc->sc_addr, 0xe, buf, 1);
fcu_write(sc->sc_dev, sc->sc_addr, 0x2e, buf, 1);
if (fcu_write(sc->sc_dev, sc->sc_addr, reg, buf, 2) < 0)
if (fcu_write(sc->sc_dev, sc->sc_addr, reg, buf, 1) < 0)