hp@hp-HP-EliteBook-8460p ~ $  sudo modprobe hp-wmi
[sudo] password for hp:
hp@hp-HP-EliteBook-8460p ~ $ lsmod | egrep 'hp-*'
hp_wmi                 16384  0
sparse_keymap          16384  1 hp_wmi
shpchp                 40960  0
hp_accel               28672  0
lis3lv02d              20480  1 hp_accel
wmi                    20480  1 hp_wmi
hp@hp-HP-EliteBook-8460p ~ $ sudo modprobe --show-depends hp-wmi
insmod /lib/modules/3.19.0-32-generic/kernel/drivers/platform/x86/wmi.ko
insmod /lib/modules/3.19.0-32-generic/kernel/drivers/input/sparse-keymap.ko
insmod /lib/modules/3.19.0-32-generic/kernel/drivers/platform/x86/hp-wmi.ko
hp@hp-HP-EliteBook-8460p ~ $ modinfo hp-wmi
filename:       /lib/modules/3.19.0-32-generic/kernel/drivers/platform/x86/hp-wmi.ko
alias:          wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4
alias:          wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C
license:        GPL
description:    HP laptop WMI hotkeys driver
author:         Matthew Garrett <mjg59@srcf.ucam.org>
srcversion:     10FA3A7A83BC5E7F2D45E22
depends:        wmi,sparse-keymap
intree:         Y
vermagic:       3.19.0-32-generic SMP mod_unload modversions
signer:         Magrathea: Glacier signing key
sig_key:        0C:8B:EF:E0:C1:E2:89:E4:D8:99:09:26:11:7A:DA:3B:DF:EB:41:9C
sig_hashalgo:   sha512
hp@hp-HP-EliteBook-8460p ~ $ sudo echo 1 > /sys/devices/platform/hp-wmi/als
bash: /sys/devices/platform/hp-wmi/als: Engedély megtagadva