[Bug 574250] Re: SAMSUNG N150 Laptop : Brightness issue

[Martin Pitt]

11.10's kernel at least does ship the samsung-laptop module, so the
samsung-backlight package from voria's PPA is not necessary any more.
udev also ships the necessary rules, and this bug is marked "fix
released". So from a maintainer's point of view there was/is nothing
further to do here.

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https://bugs.launchpad.net/bugs/574250

Title:
  SAMSUNG N150 Laptop : Brightness issue

Status in “udev” package in Ubuntu:
  Fix Released

Bug description:
  Bug description:
  I have just bought a Samsung N150 laptop, very nice netbook.
  As I am a Ubuntu user since 2004, I directly replace Windows seven with the latest Ubuntu version (Lucid Lynx 10.04).

  I notice a systematic issue about screen brightness :
  - The brightness is full when when laptop start with power supply plugged, otherwise the brightness is half. When i try to adjust the brightness using special keys it doesn't work.
  Up to now, I have found on Ubuntu forum many guys relating the same behavior and i pickup a workaround. I use it until the fix will be available : sudo setpci -s 00:02.0 F4.B=50

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