http://bugs.winehq.org/show_bug.cgi?id=18424
--- Comment #33 from david.dljunk@gmail.com 2011-02-25 16:09:01 CST --- Upon rereading, Wine-Linux has direct serial connection support.
However, that should only a concern if one is using an serial port to connect a joystick, right? So for the USB joysticks/game controllers, only xinput and dinput matter. Have I got the gist of it?