desktop-packages team mailing list archive

[Sebastien Bacher <seb128@xxxxxxxxxx>]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. The issue you are reporting is an upstream one and it
would be nice if somebody having it could send the bug to the developers
of the software by following the instructions at
https://wiki.ubuntu.com/Bugs/Upstream/GNOME. If you have done so, please
tell us the number of the upstream bug (or the link), so we can add a
bugwatch that will inform us about its status. Thanks in advance.

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

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https://bugs.launchpad.net/bugs/873808

Title:
  brightness applet needs to support nvidia_backlight

Status in “gnome-settings-daemon” package in Ubuntu:
  New

Bug description:
  There is a popular third-party backlight driver for Nvidia GPUs that
  are not supported by the manufacturers backlight driver, known as
  nvidiabl (or nvidia_backlight). See
  https://github.com/guillaumezin/nvidiabl for more information. This is
  not the same driver as nv_backlight.

  In order for this driver to be recognized by the brightness applet,
  nvidia_backlight needs to be added to the top of the vendor array in
  gsd-backlight-helper so that it looks like this:

  	/* available kernel interfaces in priority order */
  	static const gchar *backlight_interfaces[] = {
  		"nvidia_backlight",
  		"nv_backlight",
  		"asus_laptop",
  		"toshiba",
  		"eeepc",
  		"thinkpad_screen",
  		"acpi_video1",
  		"mbp_backlight",
  		"acpi_video0",
  		"fujitsu-laptop",
  		"sony",
  		"samsung",
  		NULL,
  	};

  nvidia_backlight needs to be placed at the top of the list because the
  non-functioning vendor module (sony, in my case) is still present in
  /sys/class/backlight, so nvidia_backlight needs to be recognized
  before sony.

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