LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
0, 0, offsets, sizeof(offsets), 100)) != sizeof(offsets)) {
sr_err("Failed to set offsets: %s.", libusb_error_name(ret));
LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
0, 0, offsets, sizeof(offsets), 100)) != sizeof(offsets)) {
sr_err("Failed to set offsets: %s.", libusb_error_name(ret));