touch-packages team mailing list archive

[Martin Pitt <martin.pitt@xxxxxxxxxx>]

I fixed this upstream at
http://cgit.freedesktop.org/systemd/systemd/commit/?id=0e336347

** Also affects: systemd (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: systemd (Ubuntu)
       Status: New => Fix Committed

** Also affects: udev (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: udev (Ubuntu)
       Status: New => Invalid

** Changed in: udev (Ubuntu Precise)
       Status: New => Triaged

** No longer affects: systemd (Ubuntu Precise)

** Also affects: udev (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** No longer affects: udev (Ubuntu Trusty)

** Changed in: systemd (Ubuntu Trusty)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1441849

Title:
  Update force_release for Dell Latitudes

Status in systemd package in Ubuntu:
  Fix Committed
Status in udev package in Ubuntu:
  Invalid
Status in udev source package in Precise:
  Triaged
Status in systemd source package in Trusty:
  Triaged

Bug description:
  Wireless HW switch on Dell Latitude notebooks generate key press event
  via AT Translated Set 2 keyboard, but does *not* generate release key
  event. This means that operating systems and applications see key
  still pressed.

  Scan code of that problematic key is 136 (0x88).

  Fixing this problem can be done via force_release option of atkbd
  kernel driver (by adding 136 scan code to list)

  Kernel developers told me that now only userspace (udev package)
  maintains list of those problematic scan codes and so udev needs to be
  extended/patched to add new values to atkbd kernel driver at runtime.
  See: https://lkml.org/lkml/2015/4/5/157

  Currenly there is file /lib/udev/keymaps/force-release/dell-touchpad
  which contains some force_release scan code for all dell latitude
  notebooks handled by file /lib/udev/rules.d/95-keyboard-force-
  release.rules by rule:

  ENV{DMI_VENDOR}=="Dell Inc.",
  ATTR{[dmi/id]product_name}=="*Latitude*|*Precision*", RUN+="keyboard-
  force-release.sh $devpath dell-touchpad"

  Can you extend either /lib/udev/keymaps/force-release/dell-touchpad or
  /lib/udev/rules.d/95-keyboard-force-release.rules to include also scan
  code 136 (0x88)? Because without is there are problems with HW
  wireless switch!

  This problem was tested on Ubuntu 12.04.5 LTS Precise release.

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