Some function keys not working on a ThinkPad W550s

From	Celejar <celejar@gmail.com>
Newsgroups	linux.debian.user
Subject	Some function keys not working on a ThinkPad W550s
Date	2016-11-25 21:00 +0100
Message-ID	<sHuP8-4OI-19@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi,

I recently installed Debian Jessie on a ThinkPad W550s. It's a pretty
standard installation, beginning with a fairly minimal package set,
then adding Xfce and a bunch of other stuff, including some Gnome / GTK
applications and a few things from backports. I'm currently running
kernel 4.7.0-0.bpo.1-amd64 from backports.

Some of the function keys work (e.g., Fn-F5/F6 for brightness down/up),
but some do not (e.g., F1-F3 for volume control, and F4 for suspend
(suspend works fine out of the box via the Xfce suspend hooks)). Any
idea how to fix / troubleshoot this?

I saw this:

http://www.thinkwiki.org/wiki/How_to_get_special_keys_to_work

But the details are really not explained well - what are these masks,
what do they mean, and where are they documented?

I'm coming from a T61, where the function keys, at least all the ones I
tried and needed, seemed to work fine, even out of the box, as far as I
can recall.

Celejar

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Thread

Some function keys not working on a ThinkPad W550s Celejar <celejar@gmail.com> - 2016-11-25 21:00 +0100
  Re: Some function keys not working on a ThinkPad W550s Henrique de Moraes Holschuh <hmh@debian.org> - 2016-11-26 02:30 +0100
    bpo kernel 4.7 broken? Re: Some function keys not working on a  ThinkPad W550s Richard Hector <richard@walnut.gen.nz> - 2016-11-28 14:30 +0100
      Re: bpo kernel 4.7 broken? Re: Some function keys not working on a  ThinkPad W550s Henrique de Moraes Holschuh <hmh@debian.org> - 2016-11-28 15:40 +0100
      Re: bpo kernel 4.7 broken? Re: Some function keys not working on a ThinkPad W550s Frédéric Marchal <frederic.marchal@wowtechnology.com> - 2016-11-28 16:10 +0100
    Re: Some function keys not working on a ThinkPad W550s Celejar <celejar@gmail.com> - 2016-11-28 20:20 +0100
    Re: Some function keys not working on a ThinkPad W550s Celejar <celejar@gmail.com> - 2017-01-12 20:00 +0100

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