if ((ret = libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
LIBUSB_ENDPOINT_OUT, DS_CMD_FPGA_FW, 0x0000, 0x0000,
if ((ret = libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
LIBUSB_ENDPOINT_OUT, DS_CMD_FPGA_FW, 0x0000, 0x0000,