kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Summary changed:

- Screen backlight is off by default on HP Folio 13-1000 series
+ 8086:0116 Screen backlight is off by default on HP Folio 13-1000 series

** Tags added: needs-full-computer-model

** Summary changed:

- 8086:0116 Screen backlight is off by default on HP Folio 13-1000 series
+ 8086:0116 [HP Folio 13-1050la] Screen backlight is off by default

** Tags removed: needs-full-computer-model
** Tags added: bios-outdated-f.0b

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https://bugs.launchpad.net/bugs/1066211

Title:
  8086:0116 [HP Folio 13-1050la] Screen backlight is off by default

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  On an HP Folio 13, the monitor's backlight does not work by default.

  WORKAROUND: Add a kernel parameter through grub's config to make it work:
  acpi_backlight=vendor

  See http://labo.eliaz.fr/spip.php?article94 .

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-17-generic 3.5.0-17.28
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gpothier   1892 F.... pulseaudio
  Date: Sat Oct 13 00:25:35 2012
  HibernationDevice: RESUME=UUID=281e4254-f100-4193-8e7d-13c4d9785734
  MachineType: Hewlett-Packard HP Folio 13 Notebook PCC
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=acdbf868-560a-4ec7-8772-45c16c166819 ro acpi_backlight=vendor quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  StagingDrivers: rts_pstor
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/05/2012
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.06
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 17F8
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 46.34
  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.06:bd03/05/2012:svnHewlett-Packard:pnHPFolio13NotebookPCC:pvr068C100000204A00000320100:rvnHewlett-Packard:rn17F8:rvr46.34:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Folio 13 Notebook PCC
  dmi.product.version: 068C100000204A00000320100
  dmi.sys.vendor: Hewlett-Packard

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