On Tue, Jun 4, 2019 at 10:36 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > > Hi, > > On 04-06-19 10:05, Hans de Goede wrote: > > <snip> > > >>>> We should likely just remove c52f from the list of supported devices. > >>>> C52f receivers seem to have a different firmware as they are meant to > >>>> work with different devices than C534. So I guess it is safer to not > >>>> handle those right now and get the code in when it is ready. > >>> > >>> Ack. Can you prepare a patch to drop the c52f id? > >> > >> Yes. I have an other revert never submitted that I need to push, so I > >> guess I can do a revert session today. > >> > >> I think I'll also buy one device with hopefully the C52F receiver as > >> the report descriptors attached in > >> https://bugzilla.kernel.org/show_bug.cgi?id=203619 seems different to > >> what I would have expected. > > > > They are actually what I expected :) > > > > The first USB interface is a mouse boot class device, since this is a mouse > > only receiver. This means that the mouse report is unnumbered and we need to > > extend the unnumbered mouse-report handling to handle this case. Also the > > device is using the same highres mouse-reports as the gaming receiver is. > > > > I'm actually preparing a patch right now which should fix this. Still might > > be better to do the revert for 5.2 and get proper support for the c52f > > receiver into 5.3. > > I've attached a patch to the bug: > https://bugzilla.kernel.org/show_bug.cgi?id=203619 Cool, thanks. > > Which should fix this. It is quite simple and safe, so if we get testing > feedback relatively soon, we could go with the fix instead of dropping the > product-id, your call. I should receive the M280 tomorrow, hopefully with the C52F. If the receiver is correct and the tests are successful, I'd prefer to take this one over the revert :) Cheers, Benjamin