Feedback on the Lenovo ThinkPad X1 Yoga - Raven

While ubuntu 16.04 works great, the touchscreen is not working. The pen does nothing, and there isn't any obvious place where one could activate the touchscreen functionality.

There are some comments on reddit on a "hard reset" option with a pin that results in the touchscreen working again every time after having booted into windows, but I have not attempted this.