Hi Alex, On 7/11/22 09:49, Alex Dewar wrote: > Hi Hans, > > On Sat, 2022-07-09 at 16:56 +0200, Hans de Goede wrote: >> Hi, >> >> On 7/5/22 19:25, Alex Dewar wrote: >>> Friendly ping? 🙂 >>> >>> I'm also CC'ing the x86 platform people into this, as I'm not sure >>> whether this problem is something more within their remit. >> >> Please test the atbkd device with "sudo evemu-record" or "sudo >> evtest" >> and if the brightness keys generate events there, write down the >> raw event codes (MSC events). > > I tried this but unfortunately this doesn't seem to be the whole story. > If I press "decrease brightness" I get: > Event: time 1657525393.922727, -------------- SYN_REPORT ------------ > Event: time 1657525397.043348, type 4 (EV_MSC), code 4 (MSC_SCAN), > value 81 > Event: time 1657525397.043348, type 1 (EV_KEY), code 190 (KEY_F20), > value 1 > Event: time 1657525397.043348, -------------- SYN_REPORT ------------ > Event: time 1657525397.050384, type 4 (EV_MSC), code 4 (MSC_SCAN), > value 81 > Event: time 1657525397.050384, type 1 (EV_KEY), code 190 (KEY_F20), > value 0 > > And if I press "increase brightness" I get: > Event: time 1657525397.050384, -------------- SYN_REPORT ------------ > Event: time 1657525398.607184, type 4 (EV_MSC), code 4 (MSC_SCAN), > value 81 > Event: time 1657525398.607184, type 1 (EV_KEY), code 190 (KEY_F20), > value 1 > Event: time 1657525398.607184, -------------- SYN_REPORT ------------ > Event: time 1657525398.614190, type 4 (EV_MSC), code 4 (MSC_SCAN), > value 81 > Event: time 1657525398.614190, type 1 (EV_KEY), code 190 (KEY_F20), > value 0 > > There's no difference! And I also get the same thing if I press the > *actual* mute mic button 😞. > > Any ideas? >From this it looks like we need to use some other interface to get these events (+ ignore the above events). Do you have a "HP WMI hotkeys" device in your list of input devices? And are you getting any events on that ? Likewise do you have a "Video Bus" device and any events on that ? I've also added Jorge from HP to the Cc. Jorge, can you help with this ? Regards, Hans