IT85_C0TCR
val = it8709_rr(dev, IT85_C0TCR) & ~IT85_TXMPW;
it8709_wr(dev, val, IT85_C0TCR);
it8709_wr(dev, (it8709_rr(dev, IT85_C0TCR) & ~(IT85_TXMPM | IT85_TXMPW))
IT85_C0TCR);