ret = libusb_claim_interface(dev, KINECT_AUDIO_INTERFACE);
if (ret < 0) {
fprintf(stderr, "libusb_claim_interface failed: %s\n",
ret = libusb_claim_interface(dev, KINECT_AUDIO_INTERFACE);
if (ret < 0) {
fprintf(stderr, "libusb_claim_interface failed: %s\n",