static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
{
    if (ep->pid == USB_TOKEN_IN && ep->pipeline) {
        usb_ep_combine_input_packets(ep);
    }
}
static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
{
    if (ep->pid == USB_TOKEN_IN && ep->pipeline) {
        usb_ep_combine_input_packets(ep);
    }
}