libusb20_dev_get_speed
speed = libusb20_dev_get_speed(pdev);
usb_speed = libusb20_dev_get_speed(pdev);
switch (libusb20_dev_get_speed(dev->os_priv)) {
switch (libusb20_dev_get_speed(dev->os_priv)) {
uint8_t libusb20_dev_get_speed(struct libusb20_device *pdev);
dump_speed(libusb20_dev_get_speed(pdev)),