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[Bug 1248958] Re: Keyboard Touch Cover 2 not working on Surface Pro 2

 

yes confirmed. cat /dev/hidraw# spews data.

I was missled by the syslog update whenever I snap the keyboard on or
off (the fragment in the system info and logs attachment).

so I messed around with "udevadm monitor" and looked again at dmesg.
When I snap the keyboard on the dmesg says "HID_DG_INPUTMODE out of
range -> No inputs registered" (full excerpt attached).

so thats seems to be why /dev/hidraw# spews data but is not heard by X.

Yet I am not clear about why the device is disconnected before and an
ACPI error is raised.

** Attachment added: "dmesg update keyboard is clicked in"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1248958/+attachment/3902707/+files/dmesg_no_inputs_registered.log

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https://bugs.launchpad.net/bugs/1248958

Title:
  Keyboard Touch Cover 2 not working on Surface Pro 2

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  When I boot the surface pro 2 device with a fresh installation of
  ubuntu (the gnome flavour) with current updates and attach the Touch
  Cover 2-keyboard, I expect the keyboard to work.

  What happens:
  The keyboard does not work. xev does not raise any events from the keyboard.

  Note:
  since I do not have an internet connection from the device in question, I cannot provide you with the requested ubuntu-bug output.

  Question:
  I attached anything I can think of which might be helpful to resolve the issue. Please point me in the right direction on how I can debug this further.

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References