Hi Siarhei, On Wed, Apr 01, 2020 at 01:02:03PM -0700, Siarhei Vishniakou 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? Is there an actual issue with the split though or just a cosmetic one? This is pretty standard for many keyboards (and other devices) but it shouldn't have any negative effect on functionality. Cheers, Peter
