desktop-packages team mailing list archive

[Sebastien Bacher <seb128@xxxxxxxxxx>]

Thank you for the fix, backlight control from the keyboard works fine
without that on a latitude e6410 there but the change seems same and if
it fixes the control on other models we should get it in oneiric

** Changed in: gnome-settings-daemon (Ubuntu)
   Importance: Undecided => High

** Changed in: gnome-settings-daemon (Ubuntu)
       Status: New => Confirmed

** Also affects: gnome-settings-daemon (Ubuntu Oneiric)
   Importance: High
       Status: Confirmed

** Changed in: gnome-settings-daemon (Ubuntu Oneiric)
     Assignee: (unassigned) => Rodrigo Moya (rodrigo-moya)

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https://bugs.launchpad.net/bugs/862474

Title:
  Backlight control for "dell_backlight" is missing in gsd-backlight-
  helper

Status in Gnome Settings Daemon:
  New
Status in “gnome-settings-daemon” package in Ubuntu:
  Confirmed
Status in “gnome-settings-daemon” source package in Oneiric:
  Confirmed

Bug description:
  Hi,

  Since a quite a while backlight management on my notebook (Dell
  Latitude D830) is quite broken. It started when a patch to manage the
  backlight in the kernel intel-driver was introduced.

  Here is the deal:

  My notebook normally uses the kernel interface "dell_backlight". This
  worked perfectly until the above patch was introduced. New gsd-
  backlight-helper chooses "intel_backlight" as the standard interface.
  When using this, i can still control the backlight but because
  "intel_backlight" assumes 255 steps instead of the correct 7 steps of
  "dell_backlight", "gnome-settings-daemon" can't correctly set and get
  the values.

  After patching the file "gsd-backlight-helper.c" (Adding
  "dell_backlight as an additional kernel-interface) the backlight
  management is back to normal. Please see the attachment for more
  details.

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