Re: behaviour change for keyboards introduced by "HID: generic: create one input report per application type"

[Siarhei Vishniakou <svv@google.com>]

Bringing this back.

Any thoughts on this Jiri and Benjamin?

On Wed, Apr 8, 2020 at 9:45 AM Siarhei Vishniakou <svv@google.com> wrote:
>
> Hi Benjamin and Jiri,
>
> Could you provide your thoughts on this?
>
> On Wed, Apr 1, 2020 at 1:02 PM Siarhei Vishniakou <svv@google.com> wrote:
> >
> > Hello linux-input,
> >
> > We have noticed a recent behavior change introduced by the commit:
> > https://github.com/torvalds/linux/commit/f07b3c1da92db108662f99417a212fc1eddc44d1
> > HID: generic: create one input report per application type.
> >
> > We have been looking into the behaviour of the Microsoft Designer
> > keyboard. Prior to these patches, the keyboard would report as a
> > single input_device to the user space. After these patches, the
> > keyboard is now split into 2 input devices: “Designer Keyboard
> > Consumer Control” and “"Designer Keyboard Keyboard". We noticed that
> > this behavior also applies to the keyboard Dell KB216. In the Dell
> > case, it is split into 3 devices, which include “Consumer Control”
> > (for some of the media keys) and “System Control” (for the sleep
> > button).
> >
> > In both Microsoft and Dell cases, these are pretty standard keyboards,
> > although they do contain media keys and power/sleep keys.
> >
> > Could you please confirm that this new behaviour is indeed
> > intentional, and that you wanted keyboards to be split in this
> > fashion?
> >
> > Thanks,
> > Siarhei