Re: hp-wmi: info hotkey has no keycode or scancode

["Dennis Nezic" <dennisn@dennisn.mooo.com>]

On 23 Jan 15:22, Armin Wolf wrote:
> Am 23.01.24 um 09:58 schrieb Armin Wolf:
> 
> > Am 23.01.24 um 05:40 schrieb Dennis Nezic:
> >
> >> On 22 Jan 22:23, Dennis Nezic wrote:
> >>> On 22 Jan 11:44, Armin Wolf wrote:
> >>>> Am 22.01.24 um 08:05 schrieb Dennis Nezic:
> >>>>
> >>>>> On 21 Jan 16:16, Armin Wolf wrote:
> >>>>>> Am 20.01.24 um 22:39 schrieb Dennis Nezic:
> >>>>>>
> >>>>>>> On 20 Jan 21:52, Armin Wolf wrote:
> >>>>>>>> Am 20.01.24 um 19:58 schrieb Dennis Nezic:
> >>>>>>>>
> >>>>>>>>> Guys, the "info" illuminated touch-key (hotkey?) on my laptop
> >>>>>>>>> "doesn't
> >>>>>>>>> work", showkey doesn't report any keycode or scancode. I don't
> >>>>>>>>> see any
> >>>>>>>>> wmi related error messages from dmesg. All the other illuminated
> >>>>>>>>> "hotkeys" work fine, although confusingly evtest and "libinput
> >>>>>>>>> debug-events" report that they're coming through the event
> >>>>>>>>> interface
> >>>>>>>>> associated with "AT Translated Set 2 keyboard" instead of "HP WMI
> >>>>>>>>> hotkeys", but hey, as long as I receive them I'm okay :p.
> >>>>>>>>>
> >>>>>>>>> hp-wmi.c does seem to reference it:
> >>>>>>>>>
> >>>>>>>>> How can I go about troubleshooting this? (I'm using kernel 6.6.8)
> >>>>>>>> it can be possible that your machine does not use hp-wmi to
> >>>>>>>> deliver keycodes
> >>>>>>>> to the operating system, but instead emulates a standard
> >>>>>>>> keyboard controller.
> >>>>>>>>
> >>>>>>>> Can you check with "kacpimon" that events concerning a PNP0C14
> >>>>>>>> device are being
> >>>>>>>> received?
> >>>>>>> Very possible indeed. "kacpimon" doesn't show anything when I
> >>>>>>> press that
> >>>>>>> touchkey, but it does when I press all the other touchkeys. (I
> >>>>>>> do get
> >>>>>>> lots of accelerometer noise.)
> >>>>>>>
> >>>>>> Interesting, can you please share the output of:
> >>>>>> - "kacpimon" while you where pressing the buttons
> >>>>>> - "acpidump"
> >>>>> ...
> >>>> Those events are touchscreen events, maybe your mouse is
> >>>> responsible for them.
> >>> Right, of course, woops, these must have been the touchpad press
> >>> events,
> >>> as I was moving the mouse around :P
> >>>
> >>>> Instead they look like this:
> >>>>
> >>> I'm definitely not seeing anything like that, just "^Input Layer:
> >>> Type"'s
> >>>
> >>>> Can you try to use kacpimon again but without root privileges? This
> >>>> way only netlink events show up.
> >>>> You might also stop acpid while you are using kacpimon.
> >>> 0 output from/with netlink, even though kacpimon said:
> >>>
> >>> Netlink ACPI Family ID: 24
> >>> Netlink ACPI Multicast Group ID: 5
> >>> netlink opened successfully
> >>>
> >>> Remember all my other fancy hotkeys "work", but they appear as regular
> >>> keypress events from an "AT Translated Set 2 keyboard".
> >>>
> >>>> If you still cannot receive any netlink events, then i might need
> >>>> to take a look at your ACPI tables
> >>>> via acpidump.
> >>> https://dennisn.mooo.com/stuff/dump.txt
> >>>
> >>>> Thanks,
> >>>> Armin Wolf
> >>> Thank you again sir!
> >>
> >> A1799AC3-9429-4529-927E-DFE13736EEBA has zero instances
> >> 8232DE3D-663D-4327-A8F4-E293ADB9BF05 has zero instances
> >> 8F1F6436-9F42-42C8-BADC-0E9424F20C9A has zero instances
> >> 8F1F6435-9F42-42C8-BADC-0E9424F20C9A has zero instances
> >>
> >> (Btw that "info" key does get illuminated when I touch/press it, even
> >> though no codes are seen.)
> >
> > These warnings in dmesg are harmless, they are informing you that some
> > WMI devices are unavailable.
> >
> > I took a look at your ACPI tables and it seems that the WMI device
> > used by hp-wmi is indeed unused.
> > What is the model name of your HP notebook?

HP Compaq 8710p

> Also i just noted that your notebook might contain a PNP0C32 quickstart button device.
> Can you tell me the output of "cat /sys/bus/acpi/devices/PNP0C32\:00/status"?

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