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[Bug 1373880] [NEW] Dell Studio1537 backlight goes to max when I unplug the AC adapter, then dims down when I replug

 

Public bug reported:

Function backlight keys work both when plugged/unplugged.
AC adapter seems correctly detected (battery icon displays when I unplug)
I tried with out success:
GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux acpi_backlight=vendor"
and also
GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux"

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140604-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Sep 25 13:14:25 2014
InstallationDate: Installed on 2014-07-17 (69 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: unity-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu14
 deja-dup             30.0-0ubuntu4

** Affects: unity-control-center (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

** Summary changed:

- Backlight goes to max when I unplug the AC adapter, then dims down when I replug
+ Dell Studio1537 backlight goes to max when I unplug the AC adapter, then dims down when I replug

-- 
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Packages, which is subscribed to unity-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1373880

Title:
  Dell Studio1537 backlight goes to max when I unplug the AC adapter,
  then dims down when I replug

Status in “unity-control-center” package in Ubuntu:
  New

Bug description:
  Function backlight keys work both when plugged/unplugged.
  AC adapter seems correctly detected (battery icon displays when I unplug)
  I tried with out success:
  GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux acpi_backlight=vendor"
  and also
  GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux"

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity-control-center 14.04.3+14.04.20140604-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Sep 25 13:14:25 2014
  InstallationDate: Installed on 2014-07-17 (69 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: unity-control-center
  UpgradeStatus: No upgrade log present (probably fresh install)
  usr_lib_unity-control-center:
   activity-log-manager 0.9.7-0ubuntu14
   deja-dup             30.0-0ubuntu4

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