From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pali =?utf-8?q?Roh=C3=A1r?= <pali.rohar@gmail.com>
Date: Sat, 17 May 2014 14:39:45 +0000
Subject: Re: Fn keys on Dell Latitude E6440
Message-Id: <201405171639.45722@pali>
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On Monday 14 April 2014 16:51:07 Pali Roh=C3=A1r wrote:
> Hello,
>=20
> on my notebook dell-wmi kernel driver generates some scan
> codes when I press some of Fn key combinations. Now all these
> scan codes are mapped to key "prog3". I would like to add
> some actions for these Fn key combinations, so what do you
> think? Which key codes should be assigned for these scan
> codes? Note that these combinations are not special (and
> labeled) as other (like Fn+F11 =3D play/pause) and seems like
> windows does not recognize them.
>=20
> Matthew, you are author of dell-wmi driver, do you know if
> there are some other secrets key combinations? And why first
> 10 Fn key combinations generate scan codes?
>=20
> Output of commands:
>=20
> $ lsinput
>=20
> /dev/input/event7
>    bustype : BUS_HOST
>    vendor  : 0x0
>    product : 0x0
>    version : 0
>    name    : "Dell WMI hotkeys"
>    phys    : "wmi/input0"
>    bits ev : EV_SYN EV_KEY EV_MSC
>=20
> $ /lib/udev/keymap -i /dev/input/event7
>=20
> scan code: 0x10   key code: prog3   --> Fn+Q
> scan code: 0x11   key code: prog3   --> Fn+W
> scan code: 0x12   key code: prog3   --> Fn+E
> scan code: 0x13   key code: prog3   --> Fn+R
> scan code: 0x14   key code: prog3   --> Fn+T
>=20
> scan code: 0x1E   key code: prog3   --> Fn+A
> scan code: 0x1F   key code: prog3   --> Fn+S
> scan code: 0x20   key code: prog3   --> Fn+D
> scan code: 0x21   key code: prog3   --> Fn+F
> scan code: 0x22   key code: prog3   --> Fn+G
>=20
> $ cat /sys/class/dmi/id/sys_vendor
> Dell Inc.
>=20
> $ cat /sys/class/dmi/id/product_name
> Latitude E6440

I looked deeper into dell-wmi driver and bios DMI keycode table.=20
I will send patch for dell-wmi driver which adding support for Fn=20
key combinations.

=2D-=20
Pali Roh=C3=A1r
pali.rohar@gmail.com

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