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[Bug 1270579] Re: Ubuntu should have an init script for saving/restoring backlight level on laptops

 

Bug exists in Ubuntu 14.10 (installed from Ubuntu 14.10 _Utopic Unicorn_
- Alpha i386 (20140902)).

** Tags added: utopic

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https://bugs.launchpad.net/bugs/1270579

Title:
  Ubuntu should have an init script for saving/restoring backlight level
  on laptops

Status in elementary OS:
  New
Status in One Hundred Papercuts:
  Confirmed
Status in “sysvinit” package in Ubuntu:
  Confirmed
Status in “sysvinit” package in Debian:
  New

Bug description:
  I have tested many distros - Arch, OpenSuSe 13.1, Fedora 20, ALT Linux p7, Sabayon, Mageia 4.
  Many of them are based on systemd.
  It does not matter what init system they use, but all of them have very usefull script (or binary program, I don't know) for saving and restoring backlight level on laptop.

  In these distros there is a script for save and restore backlight levels for two video-cards (acpi_video0 and acpi_video1). During system boot it is indicated as follows:
  "
  [  OK  ] Started Load/Save Screen Backlight Brightness of acpi_video1.
  [  OK  ] Started Load/Save Screen Backlight Brightness of acpi_video0.
  ".

  I have a draft version, which works normally on my VAIO F13Z1R laptop with Ubuntu 12.04.4. It is in attachment.
  You can use it unmodified or modify it for compatibility or something. I made symlinks for it:
  ln -s /etc/init.d/brightness /etc/rc0.d/S25backlight
  ln -s /etc/init.d/brightness /etc/rcS.d/S25backlight
  ln -s /etc/init.d/brightness /etc/rc6.d/S25backlight

  For details you can read my comment on askubuntu
  (http://askubuntu.com/a/227553/66509).

  I think that having a script for saving and restoring backlight level is very useful for laptop Ubuntu users.
  So, please, add such init script to default Ubuntu installation.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: initscripts 2.88dsf-41ubuntu5
  ProcVersionSignature: Ubuntu 3.13.0-4.19-generic 3.13.0-rc8
  Uname: Linux 3.13.0-4-generic i686
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  CurrentDesktop: GNOME
  Date: Sun Jan 19 17:20:26 2014
  InstallationDate: Installed on 2013-10-20 (91 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1)
  SourcePackage: sysvinit
  UpgradeStatus: Upgraded to trusty on 2013-11-19 (61 days ago)

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