On Wed, 12 Feb 2020, Filipe Laíns wrote:
> > > + /* custom receiver device (eg. powerplay) */
> > > + if (hidpp_report->device_index == 7) {
> > > + workitem.reports_supported |= HIDPP;
> > > + }
> > > +
> >
> > I guess we can't do anything else than to trust Logitech that they will
> > not assign conflicting device_index ID in the future to something that
> > will not be HID++, right?
> >
> > Or is this properly documented somewhere?
> >
> > Thanks,
>
>
> CCing Nestor
>
> Yes, we need to trust Logitech on this. There's isn't anything
> documented regarding this AFAIK.
>
> Even if Logitech released a device with index 7 that didn't support
> HID++, it wouldn't be that big of an issue. We would just end up with a
> hidraw node which would export a vendor page report descriptor but the
> device wouldn't actually reply to anything.
Given the silence from Nestor, I guess we can just apply this for 5.7;
pushing to for-5.7/logitech branch.
Thanks,
--
Jiri Kosina
SUSE Labs
