CS84xx_CHIP_ADDRESS
write_gpio_byte(ice, (CS84xx_CHIP_ADDRESS & 0x7F) << 1, tmp);
write_gpio_byte(ice, (CS84xx_CHIP_ADDRESS & 0x7F) << 1,
write_gpio_byte(ice, (CS84xx_CHIP_ADDRESS & 0x7F) << 1 | 1,