http://bugs.winehq.org/show_bug.cgi?id=24883
--- Comment #1 from Vincent Beers VincentBeers@gmail.com 2010-10-25 07:19:35 CDT --- I have found three other bugs about RegisterRawInputDevices. All are about mouse input not working. Perhaps this is related and would work if RegisterRawInputDevices got implemented?
http://bugs.winehq.org/buglist.cgi?quicksearch=RegisterRawInputDevices