USB mouse, wheel doesn't work

[Kris Maglione]

I have a gyration mouse. At first, it didn't work, but I got it working by 
setting sc->sc_iid to 0 in USB_ATTACH in ums.c. The only problem that I have 
now is that the wheel doesn't work.

The wheel is supposed to be reported in the 4th byte of sc_ibuf. The problem 
is that nothing after the third byte is touched. In fact, I had to zero the 
entire buffer after the malloc, so some junk value didn't cause a persistent Z 
axis value.

When I turn the wheel, I get a bunch of events, but with no data... the first 
three bytes are set to 0, and the rest are either junk (if I haven't zerod 
after the malloc), or null (if I have).

I don't know enough about the USB subsystem to go chasing after this myself, 
but I would assume that the problem is outside of the ums driver. Can someone 
point me in the right direction here? If it helps, the device is a combination 
keyboard/mouse reciever.

Thanks
-- 
Kris Maglione

No matter what happens, there is always somebody
who knew that it would.