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[Martin Bångens <1448485@xxxxxxxxxxxxxxxxxx>]

Cool I'm also using mate 16.04 ;D pity you don't have the
/sys/class/backligt/acpi_video0(sure you don't have it? using standard
ubuntu kernel?) I made tow scripts that can lower and higher the
brightness but they depends on acpi_video0 directory. I'm learning to
program in c end linux kernel programing to get that hp_wmi driver to
read the key code or whatever rigt, and there is a problem with the
blue-light wifi button. the get the wifi up going after that is a pain
in the as. most reboot the computer and run:

[code/]run ip ip link set wlp7s0 up
rfkill unblock all[/code]
sometimes it works somtimes not just reboot and try again..

I like to get all the keys to function, and I'm gonna do it my self. wmi
driver is old and not so functional except for the volume and play and
paus still work with is grate, there are approximately 8 key that are
not working or is kind of buggy working, like one key that worked
sometimes but sometimes not

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https://bugs.launchpad.net/bugs/1448485

Title:
  [Compaq Presario CQ60-300EO Notebook PC] kernel doesn't recognize
  backlight fn keys

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I'm using Ubuntu 15.04 and fn+f7 and fn+f8 use to lower and higher the brightness of the screen.
  In slackware using kernel 3.14.33 those keys works and give output from acpi_listen.
  In kernel 3.16 to 4.0 those keys don't work and acpi_listen outputs nothing.

  I expected fn+f7 and fn+f8 to work

  https://bugzilla.kernel.org/show_bug.cgi?id=60670
  This bug my be related

  This is my first bug report.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15 [modified: boot/vmlinuz-3.19.0-15-generic]
  ProcVersionSignature: Ubuntu 3.19.0-15.15-lowlatency 3.19.3
  Uname: Linux 3.19.0-15-lowlatency x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  marbangens   1334 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Apr 25 17:04:30 2015
  HibernationDevice: RESUME=UUID=22f95b90-3ec0-4b6d-9e76-13042dc0a290
  InstallationDate: Installed on 2015-04-23 (1 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Hewlett-Packard Compaq Presario CQ60 Notebook PC
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-lowlatency root=UUID=d4f39d6b-137e-4248-81cb-ce920cdee909 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-lowlatency N/A
   linux-backports-modules-3.19.0-15-lowlatency  N/A
   linux-firmware                                1.143
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] Filen eller katalogen finns inte: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/18/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.54
  dmi.board.name: 303C
  dmi.board.vendor: Wistron
  dmi.board.version: 08.60
  dmi.chassis.type: 10
  dmi.chassis.vendor: Wistron
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.54:bd08/18/2009:svnHewlett-Packard:pnCompaqPresarioCQ60NotebookPC:pvrF.54:rvnWistron:rn303C:rvr08.60:cvnWistron:ct10:cvrN/A:
  dmi.product.name: Compaq Presario CQ60 Notebook PC
  dmi.product.version: F.54
  dmi.sys.vendor: Hewlett-Packard

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