I was able to find one link that looks like it might work, but it will require someone more experienced with linux to tell you how to use it with your machine.
http://askubuntu.com/questions/578833/pe...untu-14-04
Hopefully, someone who knows the ins and outs of "xinput" will be able to help you find a configuration that will work for you, or be able to verify if this one will. At the very least it is a place to start.
http://askubuntu.com/questions/578833/pe...untu-14-04
Hopefully, someone who knows the ins and outs of "xinput" will be able to help you find a configuration that will work for you, or be able to verify if this one will. At the very least it is a place to start.

“I have not failed. I’ve just found 10,000 ways that won’t work.” - Thomas Edison