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[Bug 1523675] [NEW] Microsoft Ergonomic Keyboard 4000 has two input devices

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1523675@xxxxxxxxxxxxxxxxxx>
Date: Mon, 07 Dec 2015 21:10:15 -0000
Reply-to: Bug 1523675 <1523675@xxxxxxxxxxxxxxxxxx>
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You have been subscribed to a public bug:

Recently I have noticed that Zoom In/Out slider on my Microsoft
Ergonomic Keyboard 4000 stopped working. I tried investigating what's
wrong and noticed that my keyboard reports as two different input
devices according to evtest

sudo evtest output:
(...)
/dev/input/event2:      Microsoft Natural® Ergonomic Keyboard 4000
/dev/input/event3:      Microsoft Natural® Ergonomic Keyboard 4000
(...)

/dev/input/event2 responds to normal keys
/dev/input/event3 responds to multimedia keys and zoom in/out keys

The most puzzling thing is that multimedia keys actually work and be
bound. For example I have bound KEY_F17 to Next track in Amarok.
Play/pause, Vol. Up/Down and Mute worked out of box.

uname -a:
Linux demonbane 3.16.0-55-generic #74~14.04.1-Ubuntu SMP Tue Nov 17 10:15:59 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

lsb_release -rd:
Description:    Ubuntu 14.04.3 LTS
Release:        14.04

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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Microsoft Ergonomic Keyboard 4000 has two input devices
https://bugs.launchpad.net/bugs/1523675
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