CEC_WRITE
CEC_WRITE(sc, CEC_SW_CONTROL_REG, 0);
CEC_WRITE(sc, CEC_INPUT_FILTER_REG, 0);
CEC_WRITE(sc, CEC_HW_CONTROL_REG, 0);
CEC_WRITE(sc, CEC_INT_MASK_REG, 0);
CEC_WRITE(sc, CEC_INT_STAT_REG, 0xffffffff);
CEC_WRITE(sc, CEC_INT_STAT_REG, CEC_INT_RX_REGISTER_FULL);
CEC_WRITE(sc, CEC_TX_REGISTER_REG, val);
CEC_WRITE(sc, CEC_INT_STAT_REG,
CEC_WRITE(sc, CEC_INT_STAT_REG, CEC_INT_TX_FRAME_TRANSMITTED);
CEC_WRITE(sc, CEC_INT_STAT_REG,
CEC_WRITE(sc, CEC_HW_CONTROL_REG, 0);
CEC_WRITE(sc, CEC_INT_STAT_REG, 0xffffffff);
CEC_WRITE(sc, CEC_HW_CONTROL_REG, val);
CEC_WRITE(sc, CEC_INT_MASK_REG, CEC_INT_RX_REGISTER_FULL);
CEC_WRITE(sc, CEC_HW_CONTROL_REG, CEC_HW_CONTROL_TX_RX_MODE);
CEC_WRITE(sc, CEC_HW_CONTROL_REG, 0);
CEC_WRITE(sc, CEC_INT_MASK_REG, 0);
CEC_WRITE(sc, CEC_INT_STAT_REG, 0xffffffff);