REG_VID_BUS_CTRL1
it6505_write(it6505, REG_VID_BUS_CTRL1, 0x01);
it6505_set_bits(it6505, REG_VID_BUS_CTRL1, TX_FIFO_RESET, TX_FIFO_RESET);
it6505_set_bits(it6505, REG_VID_BUS_CTRL1, TX_FIFO_RESET, 0x00);