[Bug 338182] Re: Samsung P560 brightness keys block keyboard and produce all-or-nothing effect

[brotherquintus]

While the keycode bug has been fixed in previous releases of ubuntu, I still cannot set the brightness with my p560 plavos (intel gma) 
as noted previously, the osd comes up but there is no change to brightness.

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https://bugs.launchpad.net/bugs/338182

Title:
  Samsung P560 brightness keys block keyboard and produce all-or-nothing
  effect

Status in “linux” package in Ubuntu:
  Invalid
Status in “udev” package in Ubuntu:
  Confirmed

Bug description:
  This bug seems to be a duplicate of
  https://bugs.launchpad.net/linux/+bug/295251 except that I have a
  different Model.

  The following FN keys produce these messages in dmesg:

  atkbd.c: Unknown key pressed (translated set 2, code 0xb3 on isa0060/serio0).
  atkbd.c: Use 'setkeycodes e033 <keycode>' to make it known.

  Battery, Videomode, Toggle Backlight, Fn+F7,Fn+F8, Toggle Wlan,
  Brightness up, Brightness down

  If I set them to the corresponding function using setkeycodes (as
  proposed by atkbd.c) the keys work but the keyboard gets stuck, it
  seems to think that the Fn key is still pressed. Restarting X lets me
  type again.

  The patch from http://bugzilla.kernel.org/show_bug.cgi?id=12021 works
  if I modify it to suit my keycodes. I have attached my modified patch.
  The original patch is only for the NC10.

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