Hi, DJ is a protocol for splitting the events from multiple devices that use the same unifying receiver. There is some documentation here : https://drive.google.com/drive/folders/0BxbRzx7vEV7eWmgwazJ3NUFfQ28. 2018-02-06 23:35 GMT+01:00 Christoph Böhmwalder <christoph@xxxxxxxxxxxxxx>: > Kind of off topic for this list, but maybe somebody on here knows > something about this. > > Looking through some the HID drivers, I've noticed that the Logitech > Unifying Receiver HID driver is actually split up into > hid-logitech-dj.c and hid-logitech-hidpp.c. > > Now I've heard about HID++, and from my research it seems that it's > Logitech's custom HID protocol which it uses to communicate through the > Unifying Receiver. What's odd to me is the "dj" though. Looking > through the HID documentation really gave no clues. > > Skimming through the source code it seems like there's some sort of "DJ > Mode" for certain Logitech devices? I also found an old patch [1] that > talks about "DJ devices [...] (T400, M325,...)". Googling these product > names reveals that there seems to be nothing special about them. > > I'm really confused, as there seems to be no public documentation on > what this DJ mode actually is or does (or maybe I'm just overlooking > something glaringly obvious). I'd be grateful if someone took the time > to point me in the right direction here. > > Thanks! > > -- > Regards, > Christoph > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
