Re: [PATCH] hw: dev-wacom: Support wacom tablet emulation in linux qemu

[Michael Nazzareno Trimarchi <michael@amarulasolutions.com>]

Hi Gerd

Have another small question. Do you know how force show cursor working
in this case?

Michael

On Mon, Aug 17, 2020 at 9:28 AM Gerd Hoffmann <kraxel@redhat.com> wrote:
>
>   Hi,
>
> > > > +static const uint8_t qemu_wacom_hid_report_descriptor[] = {
> > > > +     0x05, 0x01,
> > > > +     0x09, 0x02,
> > >
> > > Where does this come from?  Created from scratch?  Copied from real
> >
> > No, there are dump of several descriptor on github. I will put in the
> > commit message
>
> A comment with a link would be good too.
>
> > > wacom tablet?  Any chance this can get descriptive comments like the
> > > other report descriptors (see dev-hid.c)?
> >
> > Yes, no problem. I will study a bit more. How was working before?
>
> I suspect in the past the linux driver simply checked the device id and
> went with that without fetching the report descriptor.
>
> Also note qemu has a generic tablet (-device usb-tablet), so there are
> probably very few users using the wacom emulation.  Possibly it is
> broken for quite a while already but nobody noticed ...
>
> take care,
>   Gerd
>


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Michael Nazzareno Trimarchi
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