Hi Chris,
Thanks for your guidance -- the linux kernel devs have now issued a patch to 
fix the keyboard and stylus.  They are so excellent! See thread here:
https://www.mail-archive.com/linux-input@vger.kernel.org/msg16819.html
People can either wait for the new kernel, or patch it themselves via:

[install git if you don't have it], then

$ git clone 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
$ cd linux-stable
$ git checkout -b v4.0.1
$ git remote add jikos 
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
$ git remote update jikos
$ git cherry-pick d92189ebbdcd0eb180317d8cd6d46c57ac9a3dc0

now save the attached patch in the linux-stable directory and

$ git am -3 hid-lenovo.patch 
$ cp /boot/config-$(uname -r)* .config
$ make oldconfig
$ make -j8
$ sudo make -j4 modules_install && sudo make install

then reboot, enjoy, and thank the kernel team.

Best,
Jonathan


** Patch added: "patch for kernel v4.0.1 jiris's tree"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1448479/+attachment/4388730/+files/hid-lenovo.patch

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https://bugs.launchpad.net/bugs/1448479

Title:
  keyboard not detected  with thinkpad helix (2nd gen)

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