Meanwhile, you can try these mainline kernels and reboot with them to see whether your touchpad works fine with any of them or not.. http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/
Also, finding out the exact version of the kernel in which you touchpad worked correctly and the other in which the regression is caused is often helpful ...
Meanwhile, you can try these mainline kernels and reboot with them to see whether your touchpad works fine with any of them or not.. kernel. ubuntu. com/~kernel- ppa/mainline/ daily/
http://
Also, finding out the exact version of the kernel in which you touchpad worked correctly and the other in which the regression is caused is often helpful ...