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[Bug 1270663] Re: Brightness hotkey broken on UX302LG

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Mon, 17 Nov 2014 19:50:10 -0000
Reply-to: Bug 1270663 <1270663@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

tehownt, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1270663

** Project changed: acpi => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1270663

Title:
  Brightness hotkey broken on UX302LG

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Brightness control key is broken on UX302LG laptop.

  Other hotkeys work (as per Bug #1270661) .

  Soft control works and is able to dim screen brightness.

  - Key does not output anything using xev.
  - Nothing shows up using acpi_listen when pressing the key.

  Tried acpi_type=vendor with no luck.

  From discussions I had, next step would probably be to dump DSDT from
  /proc and try to recompile them with the Intel ASL compiler that could
  indicate where problem lies, fix the error and use that specific blob
  at boot time.

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