On Tue, 16 Jul 2024 at 12:29, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
Hi,
On 7/15/24 9:50 PM, Iñaki Ucar wrote:
> It's the kernel. Going back to 6.9.6 fixes the issue...
Ok, that is a good first step in debugging this.
Can you run evtest with the working kernel and then check which
event node is generating key-presses for the brightness keys,
that should help narrow it down further.
Likely candidates are: "LG WMI hotkeys",
"AT translated set 2 keyboard", "Video Bus".
In "Video Bus", there are KEY_BRIGHTNESSDOWN and KEY_BRIGHTNESSUP that are triggered.
But if none of those 3 reports brightness key presses, please
try all available /dev/input/event# nodes and please report back
here the name(e.g. "LG WMI hotkeys") of the /dev/input/event# node
which is reporting the brightness key presses.
Also which kernel version is the first broken kernel version
for you ?
6.9.7 to 6.9.9 are broken. I also noticed issues with /sys/devices/platform/lg-laptop/battery_care_limit, that reports 0 and cannot be set with those kernels.
There are commits in the lg-laptop.c file in the 6.10 series that I hope solve these issues, see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/platform/x86/lg-laptop.c?id=v6.10&id2=v6.9
Iñaki
Regards,
Hans
>
> Iñaki
>
> On Mon, 15 Jul 2024 at 21:34, Iñaki Ucar <iucar@xxxxxxxxxxxxxxxxx <mailto:iucar@xxxxxxxxxxxxxxxxx>> wrote:
>
>
>
> On Mon, 15 Jul 2024 at 18:53, Jonathan Wright via devel <devel@xxxxxxxxxxxxxxxxxxxxxxx <mailto:devel@xxxxxxxxxxxxxxxxxxxxxxx>> wrote:
>
> Are you running KDE with HDR enabled by chance? That will make the keys non-functional.
>
>
> No, I don't think so. I don't see any HDR option anyways.
>
> Iñaki
>
>
>
> On Mon, Jul 15, 2024 at 3:52 AM Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>> wrote:
>
> On 7/15/24 1:47 AM, Iñaki Ucar wrote:
> > On Mon, 15 Jul 2024 at 10:34, Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>
> > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>> wrote:
> >
> > On 7/15/24 1:23 AM, Iñaki Ucar wrote:
> > >
> > >
> > > On Mon, 15 Jul 2024 at 09:56, Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>
> > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>
> > > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>>> wrote:
> > > You will need to find out what the keys trigger.
> > > Do you see any messages in the journal when you press the keys?
> > >
> > >
> > > Nothing in the journal.
> > >
> > > Install "evtest" and try watching various sources to see if
> > you get a
> > > reaction when pressing the keys.
> > >
> > >
> > > Nothing either. I tried monitoring the keyboard as well as the
> > event fd
> > > called "LG WMI hotkeys", and those keys trigger nothing. :( Does
> > this
> > > mean that it's a kernel issue?
> >
> > Probably. Do you have the "lg-laptop" kernel module loaded?
> >
> > I do:
> > $ lsmod | grep lg
> > lg_laptop 32768 0
> > sparse_keymap 12288 1 lg_laptop
> > i2c_algo_bit 20480 2 xe,i915
> > wmi 36864 3 video,lg_laptop,wmi_bmof
>
> I suggest you contact the mailing list at:
> platform-driver-x86@xxxxxxxxxxxxxxx <mailto:platform-driver-x86@xxxxxxxxxxxxxxx>
>
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> Jonathan Wright
> AlmaLinux Foundation
> Mattermost: chat <https://chat.almalinux.org/almalinux/messages/@jonathan>
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> --
> Iñaki Úcar
>
>
>
> --
> Iñaki Úcar
>
Iñaki Úcar
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