Unhandled HKEY event

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Hi,

I'm getting the following message in my kernel log:

Jan 30 08:21:49 xntlaptop kernel: [38868.681518] thinkpad_acpi:
unhandled HKEY event 0x6060
Jan 30 08:21:49 xntlaptop kernel: [38868.681520] thinkpad_acpi: please
report the conditions when this event happened to
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
Jan 30 08:21:58 xntlaptop kernel: [38877.305316] thinkpad_acpi:
unknown possible thermal alarm or keyboard event received

This is when pressing the left-bottom key Fn + Esc to lock the
Function keys in a Lenovo x240, the keys do what they are supposed to
do though, and function keys do get locked. I'm just reporting this
because I'm interested in knowing how the driver works and how to
contribute to assign functions to the special keys etc.

Other data:
 - OS version: Ubuntu 14.10
 - Kernel version: Linux xntlaptop 3.18.3-031803-generic #201501161810
SMP Fri Jan 16 18:12:22 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
 - Module info:

$ modinfo thinkpad_acpi
filename:
/lib/modules/3.18.3-031803-generic/kernel/drivers/platform/x86/thinkpad_acpi.ko
license:        GPL
version:        0.25
description:    ThinkPad ACPI Extras
author:         Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
author:         Borislav Deianov <borislav@xxxxxxxxxxxx>
alias:          dmi:bvnIBM:bvrI[MU]ET??WW*
alias:          tpacpi
srcversion:     007761E9C194C5990973FE2
alias:          acpi*:LEN0068:*
alias:          acpi*:IBM0068:*
depends:        nvram,snd
intree:         Y
vermagic:       3.18.3-031803-generic SMP mod_unload modversions
signer:         Magrathea: Glacier signing key
sig_key:        29:DB:FD:FC:5A:CC:82:3C:C5:2C:39:4C:C1:C7:4C:01:C3:BE:BF:78
sig_hashalgo:   sha512
parm:           experimental:Enables experimental features when non-zero (int)
parm:           debug:Sets debug level bit-mask (uint)
parm:           force_load:Attempts to load the driver even on a
mis-identified ThinkPad when true (bool)
parm:           fan_control:Enables setting fan parameters features
when true (bool)
parm:           brightness_mode:Selects brightness control strategy:
0=auto, 1=EC, 2=UCMS, 3=EC+NVRAM (uint)
parm:           brightness_enable:Enables backlight control when 1,
disables when 0 (uint)
parm:           volume_mode:Selects volume control strategy: 0=auto,
1=EC, 2=N/A, 3=EC+NVRAM (uint)
parm:           volume_capabilities:Selects the mixer capabilites:
0=auto, 1=volume and mute, 2=mute only (uint)
parm:           volume_control:Enables software override for the
console audio control when true (bool)
parm:           index:ALSA index for the ACPI EC Mixer (int)
parm:           id:ALSA id for the ACPI EC Mixer (charp)
parm:           enable:Enable the ALSA interface for the ACPI EC Mixer (bool)
parm:           hotkey:Simulates thinkpad-acpi procfs command at
module load, see documentation
parm:           bluetooth:Simulates thinkpad-acpi procfs command at
module load, see documentation
parm:           video:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           light:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           cmos:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           led:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           beep:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           brightness:Simulates thinkpad-acpi procfs command at
module load, see documentation
parm:           volume:Simulates thinkpad-acpi procfs command at
module load, see documentation
parm:           fan:Simulates thinkpad-acpi procfs command at module
load, see documentation
parm:           dbg_wlswemul:Enables WLSW emulation (uint)
parm:           wlsw_state:Initial state of the emulated WLSW switch (bool)
parm:           dbg_bluetoothemul:Enables bluetooth switch emulation (uint)
parm:           bluetooth_state:Initial state of the emulated
bluetooth switch (bool)
parm:           dbg_wwanemul:Enables WWAN switch emulation (uint)
parm:           wwan_state:Initial state of the emulated WWAN switch (bool)
parm:           dbg_uwbemul:Enables UWB switch emulation (uint)
parm:           uwb_state:Initial state of the emulated UWB switch (bool)

/Xavier

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