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[Whoopie <1205791@xxxxxxxxxxxxxxxxxx>]

Patches submitted by Hans de Goede for kernel 4.2 to make it work. -->
http://thread.gmane.org/gmane.linux.drivers.platform.x86.devel/8205

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https://bugs.launchpad.net/bugs/1205791

Title:
  Dell Vostro V131: special keys not working

Status in udev:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Bug filed, following conversation on IRC at:

    http://irclogs.ubuntu.com/2013/07/28/%23ubuntu-devel.html#t07:45

  I own a Dell Vostro V131. This model has 3 special hotkeys (quick
  launch keys:

  http://www.notebookcheck.net/fileadmin/_migrated/pics/v131tastatur_01.jpg

  There are documented in page 1 of the manual:

    ftp://ftp.dell.com/Manuals/all-
  products/esuprt_laptop/esuprt_vostro_notebook/vostro-v131_Setup
  %20Guide_en-us.pdf

  as being:

    1. "Windows mobility center" (this hotkey generates [Mod]+[x])
    2. "Dell support center"
    3. "Dell instant launch manager"

  This was previous raised at:

    http://www.mail-archive.com/platform-driver-x86@xxxxxxxxxxxxxxx/msg03124.html
    http://www.mail-archive.com/platform-driver-x86@xxxxxxxxxxxxxxx/msg04444.html

  The "Dell support center" key generates keycode 0xEE, but misses
  release event. I got it working with an udev "keyboard force release"
  quirk, see attached patch in the '4444' email.

  However, the "Dell instant launch manager" key doesn't generate
  anything, neither through dell-wmi nor i8042. It's the rightmost
  button in the right upper corner of the keyboard.  The ACPI interrupt-
  count appears to increment, as seen with:

    http://www.mail-archive.com/platform-driver-x86@xxxxxxxxxxxxxxx/msg03126.html
    watch -n 0,1 cat /proc/interrupts

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