s2255_write_config
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);