usb/125941: not working wheel on my microsoft notebook optical mouse 3000

[Kai Wang]

On Tue, Aug 12, 2008 at 07:01:37PM +0200, Grzegorz Blach wrote:
> On Tue, 12 Aug 2008 18:42:24 +0200
> Kai Wang <kaiwang27 at gmail.com> wrote:
> 
> > On Tue, Aug 12, 2008 at 06:17:44PM +0200, Grzegorz Blach wrote:
> > > On Tue, 12 Aug 2008 17:01:39 +0200
> > > Kai Wang <kaiwang27 at gmail.com> wrote:
> > > 
> > > > > > > > Could you please try the patch attached
> > > > > > > > against /sys/dev/usb/hid.c along with the debug printf
> > > > > > > > patch for ums.c, and see what the result will be?
> > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > > kernel with appiled this two patches reports that:
> > > > > > > 
> > > > > > > ums0: <Microsoft Microsoft Notebook Optical Mouse with Tilt
> > > > > > > Wheel, class 0/0, rev 2.00/1.20, addr 2> on uhub0 ums0:
> > > > > > > mouse has no Y report device_attach: ums0 attach returned 6
> > > > > > > 
> > > > > > 
> > > > > > Sorry I made a mistake in previous patch. 
> > > > > > 
> > > > > > How about this one?
> > > > > > 
> > > > > 
> > > > > Again, the same message as above:
> > > > > 
> > > > > ums0: <Microsoft Microsoft Notebook Optical Mouse with Tilt
> > > > > Wheel, class 0/0, rev 2.00/1.20, addr 2> on uhub0
> > > > > ums0: mouse has no Y report
> > > > > device_attach: ums0 attach returned 6
> > > > 
> > > > Strange.. This should not happen. Did you revert previous hid.c
> > > > patch before applying this one?
> > > 
> > > OK, I have updated source from cvs, then appiled hid.diff and
> > > rebuild kernel, when kernel boot I see:
> > > 
> > >   ums0: <Microsoft Microsoft Notebook Optical Mouse with Tilt Wheel,
> > >   class 0/0, rev 2.00/1.20, addr 2> on uhub0 wheel=1
> > >   sc->flags=0x0001
> > >   ums0: 3 buttons and Z dir.
> > >   sc->sc_loc_z.size=8
> > 
> > Great! Thank you again for testing all these stuff.
> > 
> > > Wheel is working correctly, but I don't have info about TILT dir
> > > (but I never used this direction).
> > 
> > It was wrong that ums(4) reported the mouse has "a TILT dir" before.
> > The TWHEEL(0x48) usage inside the report desc of this mouse is a
> > FEATURE item, while the Microsoft Wireless Intellimouse 2.0 quirk
> > (the hid_locate call around line 334) tries to find a TWHEEL usage
> > with a INPUT item, because of the hid parser bug, it will mistakenly
> > find the next INPUT item, (which is the WHEEL input item) and report
> > the "TILT dir".
> > 
> > 
> 
> I don't understand:
> 
> Is TILT dir working when it isn't reported.
> 
> Microsoft notebook optical 3000
> and Microsoft wireless intellimouse
> 2.0, both support TITL dir.
> 
> In documentation this is mentioned as "4-way scrolling with tilt wheel
> technology".

I don't know if ums(4) support the TITL dir of this mouse, I guess not.
It just falsely reports it before patching.

You could try to use TITL wheel with and without patching, see if there
is a difference.

Thanks,
Kai