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[SOLVED] Multimedia keys missing after update
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ZmjbS
Tux's lil' helper
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Joined: 24 Jan 2005
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Location: Reykjavík, Ísland

PostPosted: Mon Sep 01, 2014 12:21 pm    Post subject: [SOLVED] Multimedia keys missing after update Reply with quote

I'm currently stuck with trying to get my sound keys to work again.

I've been trying to wrap my head around this for a while but keep getting tangled in the web that is key handling in the various levels in Linux and am hoping someone can come to my aid and possibly even shed some light on best common practices.

So, there are several special keys on my keyboard, some of which pass as multimedia keys in X (XF86MonBrightnessUp and -Down, to name a couple). I use xbindkeys to bind these to xbacklight to modify the screen backlight.

I did, however, also have the audio keys working. Not out of the box, but they generated multimedia keys (XF86AudioRaiseVolume and -LowerVolume) which I could then bind to amixer. Then (I think this happened while sorting out some udev issue) the keys stopped generating those keys.

So, does anyone have any experience with disappearing or reappearing multimedia keys, where those keys are/should be defined, or how one should best go about setting such and similar special keys up?
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Last edited by ZmjbS on Tue Sep 02, 2014 7:54 am; edited 1 time in total
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xaviermiller
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Joined: 23 Jul 2004
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PostPosted: Mon Sep 01, 2014 1:06 pm    Post subject: Reply with quote

Hello,

What is your computer or keyboard model ?
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ZmjbS
Tux's lil' helper
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Joined: 24 Jan 2005
Posts: 133
Location: Reykjavík, Ísland

PostPosted: Mon Sep 01, 2014 1:20 pm    Post subject: Reply with quote

XavierMiller wrote:
What is your computer or keyboard model ?


It's a Thinkpad Yoga set to pc104.
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xaviermiller
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PostPosted: Mon Sep 01, 2014 4:56 pm    Post subject: Reply with quote

I go the same problem with a Thinkpad S540/

It seems the thinkpad driver changed the keyboard mappings; I fixed it by mapping ACPI events and keyboard mappings in my desktop environment..

Take a look at ThinkWiki, for example here: http://www.thinkwiki.org/wiki/Talk:Thinkpad-acpi#Problem_with_ACPI_key_event_codes_in_OpenSuse_12.3
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Xavier Miller
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ZmjbS
Tux's lil' helper
Tux's lil' helper


Joined: 24 Jan 2005
Posts: 133
Location: Reykjavík, Ísland

PostPosted: Tue Sep 02, 2014 7:53 am    Post subject: Reply with quote

XavierMiller wrote:
I go the same problem with a Thinkpad S540/

It seems the thinkpad driver changed the keyboard mappings; I fixed it by mapping ACPI events and keyboard mappings in my desktop environment..

Take a look at ThinkWiki, for example here: http://www.thinkwiki.org/wiki/Talk:Thinkpad-acpi#Problem_with_ACPI_key_event_codes_in_OpenSuse_12.3


Thanks. It seems the thinkpad driver got unselected during a kernel recompile which decoupled the multimedia keys.

Doing things in acpi may well be better than xbindkeys. Had some initial problems, but will give it a shot.

Again, thanks for the help. Marking solved.
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