Re: Bug#1104057: Fwd: Bug#1104057: touchpad not working in installer on ThinkPad P1 Gen7

From	Cyril Brulebois <kibi@debian.org>
Newsgroups	linux.debian.kernel, linux.debian.bugs.dist
Subject	Re: Bug#1104057: Fwd: Bug#1104057: touchpad not working in installer on ThinkPad P1 Gen7
Date	2025-04-26 14:40 +0200
Message-ID	<KFMZ3-gocH-3@gated-at.bofh.it> (permalink)
References	(5 earlier) <KFv2b-gc3W-9@gated-at.bofh.it> <KFKaS-gmlP-7@gated-at.bofh.it> <KFjkl-g4oh-1@gated-at.bofh.it> <KFM2Z-gnyC-1@gated-at.bofh.it> <KFMPn-go8E-7@gated-at.bofh.it>
Organization	Debian

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Pascal Hambourg <pascal@plouf.fr.eu.org> (2025-04-26):
> On 26/04/2025 at 13:29, Marcin Owsiany wrote:
> > Found it!
> > root@debian:/home/porridge# modprobe pinctrl_meteorlake
> > root@debian:/home/porridge# # touchpad now works!
> 
> Good catch! I wouldn't have bet a penny on this module...
> 
> Installer team: Is it possible to include this modules, and maybe the other
> pinctrl modules, in the graphical installer initramfs at least ?

This one certainly. A quick survey (on amd64 only) suggests the whole
bunch would be 68k so very OK:

    /kernel/drivers/pinctrl/cirrus/pinctrl-cs42l43.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-alderlake.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-elkhartlake.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-emmitsburg.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-intel-platform.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-jasperlake.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-lakefield.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-meteorlake.ko.xz
    /kernel/drivers/pinctrl/intel/pinctrl-meteorpoint.ko.xz

I'm not sure how much more and in which case how pertinent others would
be on say arm* architectures, so it'd be best to get some feedback from
the kernel team: new udeb, fold that into existing udeb(s), etc.?

This doesn't have to be a decision made right this minute, I can easily
pick and choose one particular module on an interim basis, from within
the debian-installer package (and its build system).

> FWIW they are included in the initramfs built by initramfs-tools
> because they may be needed by other drivers.
> See /usr/share/initramfs-tools/hook-functions.


Cheers,
-- 
Cyril Brulebois (kibi@debian.org)            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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Re: Bug#1104057: Fwd: Bug#1104057: touchpad not working in installer  on ThinkPad P1 Gen7 Cyril Brulebois <kibi@debian.org> - 2025-04-26 14:40 +0200

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