From this ticket, I'm awared there are many HP platforms shared this
issue.
Here is the platform list I found here:
1. HP ZBook Studio G5 by Marcin [1]
2. a HP Elite Dragonfly by Michael
3. a HP Elitebook X360 1040 by Nova [2]
If you could help to find your machines on the Ubuntu certification
** Tags added: originate-from-1879870 stella
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as microphone
I'm also experiencing this issue dual booting Windows/Ubuntu on 20.04 on
an HP Elitebook X360 1040
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3
Is there already a solution other than power reset? I have this problem
on Ubuntu 20.04.2 after logging to Windows 10.
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Title:
[HP ZBook Studio
Can confirm the power reset thing worked on Xubuntu 20.04 on an HP Elite
Dragonfly. Well done, thanks!
Prior to that both keys were giving the same code (465 iirc but can't repeat it
now)
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** Tags added: oem-priority
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as microphone mute function keys
** Package changed: linux (Ubuntu) => oem-priority
** Changed in: oem-priority
Assignee: Kai-Heng Feng (kaihengfeng) => jeremyszu (os369510)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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We are working with HP on this issue. Please stay tuned.
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as
I do observe the exactly same on a HP elitebook 840 G6 with the phone
pickup and hangup keys and other HP fancy keys i usually do not need.
They either mapp to left_ctrl left_meta or left_ctrl elft_alt.
Event: time 1594376396.025858, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1d
Event: time
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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It looks like Linux isn't properly initializing some device (keyboard?) or
driver or something else. Under Windows it works after each reboot, so I guess
drivers in Windows must be doing something more in case of device
initialization.
I think HP should look at this. But how to make them
Hi,
The same happens to me as well. Since I rarely boot to Windows,
I only discovered it now. There does not seem to be any other visible difference
between the working and non-working states, though. There
are no (essential) differences between 'dmesg' or 'sudo fwts acpidump -'
results. So,
Hi Jarkko,
Thank you very much for your response! I did the procedure you described and it
solved the problem! Brightness function keys started working properly in Ubuntu.
I repeated this procedure on other ZBook Studio G5 laptops we have here and it
also did the job.
However! I have dual boot
Hi Marcin,
Try to perform a power reset: https://support.hp.com/ph-en/document/c01684768
That is: turn the computer off, remove all cables, press and hold down
the power button for 15 seconds. Turn the computer on and reconnect
the cables. The brightness buttons should start working.
Worked for
Hi @kai.heng.feng
Just updated BIOS and kernel. Unfortunately there are still no changes
in special keys behavior.
$ sudo dmidecode -s bios-version
Q71 Ver. 01.10.00
$ uname -a
Linux marcin-HP-ZBook-Studio-G5 5.3.0-40-generic #32~18.04.1-Ubuntu SMP Mon Feb
3 14:05:59 UTC 2020 x86_64 x86_64
Can you please try BIOS 01.10.00 Rev.A?
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as microphone mute
Under Windows 10 everything works perfectly.
I'm just an individual who means nothing to them. I bought their product
which they claim fully support linux (whatever this means).
Honestly, I thought that Ubuntu Team has capabilities to contact vendors
like HP and ask for solutions/help? :(
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Have you ever tried this under Windows?
All brightness up/down and micmute reports the same scancode.
Let's assume it's not a hardware defect, it probably needs special WMI
hotkey driver to generate brightness hotkey events.
Please raise the issue to the vendor.
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@kai.heng.feng I installed new kernel and observed no changes in
brightness and mic mute keys behaviour.
$ uname -a
Linux marcin-HP-ZBook-Studio-G5 5.5.0-050500-generic #202001262030 SMP Mon Jan
27 01:33:36 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
$ sudo evtest
No device specified, trying to
These are regular debs, so please use `dpkg -i` to install, and `apt
purge` to purge them afterwards.
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Title:
[HP ZBook Studio G5, Ubuntu
@kai.heng.feng can you provide me some short instruction how to safely
install this kernel and then uninstall it from my machine? I use this
laptop for my work and it must be functional...
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In addition to that, please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/
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Title:
[HP ZBook Studio G5,
Hi @kai.heng.feng
No problem.
I tested "event04", logs below:
$ sudo evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Sleep Button
/dev/input/event1: Lid Switch
/dev/input/event2: Power Button
/dev/input/event3: Power
Additionally I tested "event16", but there was no reaction (doesn't
matter if using Fn + key combinations or when using Fn lock):
$ sudo evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Sleep Button
/dev/input/event1: Lid Switch
Ok, can you please run `evtest`, press Brightness Up/Down and Mic Mute
and attach its output here.
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3
Hi @kai.heng.feng,
Sure. Attaching alsa-info.txt.qXIkCLj45c
** Attachment added: "alsa-info.txt.qXIkCLj45c"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852071/+attachment/5310158/+files/alsa-info.txt.qXIkCLj45c
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Can you please attach alsa-info?
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as microphone mute function
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as
Guys, maybe I can somehow help you with this issue?
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Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness function keys
works as
Command `sudo showkey` prints following outputs:
F3
keycode 61 press
keycode 61 release
fn+F3 (identical to fn+F4, fn+F8)
keycode 190 press
keycode 190 release
F4
keycode 62 press
keycode 62 release
fn+F4 (identical to fn+F3, fn+F8)
keycode 190 press
keycode 190 release
F5
keycode 63
Sound function keys works almost OK:
1) fn+F5 mute/unmute outgoing sound, OK, however LED inside the key is always
off
2) fn+F6 decrease volume, OK
3) fn+F7 increase volume, OK
4) fn+F8 mute/unmute, OK, however LED inside the key is always off
But there are other function keys doesn't work as
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