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

[Adam Spiers]

I don't understand why we have to rely on 3rd party packages to fix
this. Is it simply due to lack of resources in the Ubuntu community, or
is there some policy which prevents the real fix from making it into
natty updates?

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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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