I2C_GET_BIT
ret = ioctl_retry(fp, I2C_GET_BIT, (void *)&bitarg);
ret = ioctl_retry(fp, I2C_GET_BIT, (void *)&bitarg);
case I2C_GET_BIT:
case I2C_GET_BIT:
case I2C_GET_BIT:
case I2C_GET_BIT: