linux-kernel - Re: + XPS 13 9343

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Date: Sun, 4 Feb 2024 08:24:10 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Antoine <debian@...ien.net>
Cc: Dell.Client.Kernel@...l.com, linux-input@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 pmenzel@...gen.mpg.de, regressions@...ts.linux.dev, 1061521@...s.debian.org
Subject: Re: + XPS 13 9343

Hi Antoine,

On 2/3/24 17:16, Antoine wrote:
> On 1/20/24 21:26, Hans de Goede wrote:
>> Can you try adding "i8042.dumbkbd=1" to your kernel commandline?
>>
>> The next question is if the keyboard will still actually
>> work after suspend/resume with "i8042.dumbkbd=1". If it
>> stays in the list, but no longer works
> 
> Hi, thanks a lot for taking into account our hardware,
> just a supplementary feedback:
> 
> In my case (Dell XPS 13 9343/i5-5200U):
> - Dell Inc. XPS 13 9343/0TM99H, BIOS A19 12/24/2018
> - Linux version 6.6.13-1 (2024-01-20)
> 
> commandline with `i8042.dumbkbd=1` fixes the issue,
> with capslock functional but without led
> + as a side note, hibernate doesn't trigger any issue
> 
> (before getting informed of and testing `i8042.dumbkbd=1`)
> I had attached logs before/after suspend against 6.6.11 and 6.6.13 :
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1061521#30
> 
> I remain at your disposal for any further infos/testing

The issue of the kbd on some Dell XPS models no longer
working after a suspend/resume cycle should be fixed by
these 2 patches which are on their way to Linus' tree:

https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus&id=683cd8259a9b883a51973511f860976db2550a6e
https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus&id=9cf6e24c9fbf17e52de9fff07f12be7565ea6d61

Regards,

Hans