I searched the WWW for any kind of solution to the trackpad not being
recognized. There are several months of similar questions, but no
resolution. Until this patch was made public/known.
Further discussion here:
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
Additional initializer needed to recognize trackpad on Lenovo Yoga 720
To manage notifications about this bug go to:
ubuntu-bugs mailing list