if (ret != 8)
sr_err("%s: libusb_control_transfer: %s.", __func__,
libusb_error_name(ret));
ret = libusb_bulk_transfer(devh, EP1_BULK_IN, buffer, size,
if (ret != 8)
sr_err("%s: libusb_control_transfer: %s.", __func__,
libusb_error_name(ret));
ret = libusb_bulk_transfer(devh, EP1_BULK_IN, buffer, size,