_usbctrl_vendorreq_sync
_usbctrl_vendorreq_sync(udev, REALTEK_USB_VENQT_WRITE, addr, data, length);
_usbctrl_vendorreq_sync(udev, REALTEK_USB_VENQT_READ, wvalue, data, len);
_usbctrl_vendorreq_sync(udev, REALTEK_USB_VENQT_WRITE, wvalue, data, len);