OR using EOL release, and no response for years.

** No longer affects: linux (Ubuntu)

** Package changed: fedora => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: High => Undecided

** Changed in: linux (Ubuntu)
       Status: Won't Fix => New

** Changed in: linux (Ubuntu)
 Remote watch: Red Hat Bugzilla #737620 => None

** Changed in: linux (Ubuntu)
       Status: New => Invalid

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/847187

Title:
  [HP Pavilion dv7-6104eg Entertainment Notebook PC] Backlight control
  doesn't work

Status in linux package in Ubuntu:
  Invalid

Bug description:
  Backlight control on HP Pavilion dv7 6104eg notebook doesn't work
  using function keys or Gnome power management applet. I found a patch,
  that should solve the problem:
  http://www.edgrochowski.com/articles/backlight.htm (haven't tried it
  yet)

  lsmod:
  Module                  Size  Used by
  parport_pc             36959  0
  ppdev                  17113  0
  rfcomm                 47694  8
  binfmt_misc            17565  1
  sco                    18187  2
  bnep                   18308  2
  l2cap                  53570  16 rfcomm,bnep
  vboxnetadp             13340  0
  vboxnetflt             28297  0
  vboxdrv               252684  2 vboxnetadp,vboxnetflt
  snd_hda_codec_hdmi     28167  1
  snd_hda_codec_idt      71137  1
  arc4                   12529  2
  joydev                 17606  0
  uvcvideo               72195  0
  usbhid                 46956  0
  iwlagn                333716  0
  snd_hda_intel          33176  4
  snd_hda_codec         103804  3 
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
  snd_hwdep              13604  1 snd_hda_codec
  iwlcore               167502  1 iwlagn
  snd_pcm                96391  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
  videodev               82052  1 uvcvideo
  i915                  515121  3
  snd_seq_midi           13324  0
  snd_rawmidi            30486  1 snd_seq_midi
  btusb                  18600  2
  snd_seq_midi_event     14899  1 snd_seq_midi
  bluetooth              72320  9 rfcomm,sco,bnep,l2cap,btusb
  snd_seq                61621  2 snd_seq_midi,snd_seq_midi_event
  snd_timer              29602  2 snd_pcm,snd_seq
  v4l2_compat_ioctl32    17078  1 videodev
  snd_seq_device         14462  3 snd_seq_midi,snd_rawmidi,snd_seq
  hid                    91020  1 usbhid
  hp_wmi                 13706  0
  sparse_keymap          13898  1 hp_wmi
  mac80211              294370  2 iwlagn,iwlcore
  psmouse                73535  0
  snd                    67382  17 
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
  drm_kms_helper         42136  1 i915
  serio_raw              13166  0
  cfg80211              178528  3 iwlagn,iwlcore,mac80211
  rts_pstor             440614  0
  drm                   227534  4 i915,drm_kms_helper
  soundcore              12680  1 snd
  snd_page_alloc         18529  2 snd_hda_intel,snd_pcm
  i2c_algo_bit           13400  1 i915
  video                  19438  1 i915
  hp_accel               21880  0
  lis3lv02d              19893  1 hp_accel
  max6650                14324  0
  input_polldev          14007  1 lis3lv02d
  coretemp               13490  0
  lp                     17825  0
  parport                46458  3 parport_pc,ppdev,lp
  ahci                   25951  2
  xhci_hcd               77643  0
  libahci                26642  1 ahci
  r8169                  48022  0

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  matthias   1587 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xc7500000 irq 53'
     Mixer name : 'Intel CougarPoint HDMI'
     Components : 'HDA:111d7605,103c3389,00100105 
HDA:80862805,80860101,00100000'
     Controls      : 18
     Simple ctrls  : 10
  DistroRelease: Ubuntu 11.04
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-11-generic 
root=UUID=6562386e-524b-41be-8383-6e1944f15f1c ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
  RelatedPackageVersions:
   linux-restricted-modules-2.6.38-11-generic N/A
   linux-backports-modules-2.6.38-11-generic  N/A
   linux-firmware                             1.52
  StagingDrivers: rts_pstor
  Tags:  natty staging
  Uname: Linux 2.6.38-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 07/20/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.1A
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3389
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 10.31
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.1A:bd07/20/2011:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr058D110000244620001620100:rvnHewlett-Packard:rn3389:rvr10.31:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion dv7 Notebook PC
  dmi.product.version: 058D110000244620001620100
  dmi.sys.vendor: Hewlett-Packard

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