Karl Palsson 54b117c5a5 usb: Use enumerated return codes
The enum usbd_request_return_codes has been available for some time.  It
should be used internally, not just by users of this code.
2018-03-02 22:42:05 +00:00
..
2018-03-02 22:42:05 +00:00
2014-12-18 22:50:27 +00:00
2014-07-03 18:46:55 +02:00
2018-03-02 22:42:05 +00:00
2017-06-08 23:01:45 +00:00