[Bug 1203592] Re: Keyboard backlight does not work in Samsung Series 9 NP900X4C

[Martin Pitt]

Can you please follow /usr/share/doc/udev/README.keymap.txt to check
with the "keymap" tool if the key generates the correct key code? if
not, please give me the scan code, so that we can fix it in the keymaps.

Thanks!

** Changed in: udev (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1203592

Title:
  Keyboard backlight does not work in Samsung Series 9 NP900X4C

Status in “udev” package in Ubuntu:
  Incomplete

Bug description:
  In Ubuntu 13.04, the keyboard backlight does not work in Samsung
  Series 9 NP900X4C.

  Adding the FN key mappings as described in
  https://help.ubuntu.com/community/SamsungSeries9 does show information
  in the notification area when pressing the keyboard backlight's + and
  - buttons, but:

  1) The notification always identifies the backlight as "full max"
  2) It has no effect on the backlight - it's always off

  When I first installed Ubuntu on this machine (12.10), even though the
  fn keys never worked I did have intermitent backlight functionality -
  the light sensor would sometimes work and I'd see light in the
  keyboard.

  I dual boot in Windows 8 and backlighting works there, so this is not
  a hardware issue.

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