I have a lenovo z510 which has an ALPS v7 touchpad. After the new installation of xubuntu 14.04 I used this fix to make it work. Now, After the latest kernel-update it doesn't get recognized anymore.
xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB-PS/2 Optical Mouse id=11 [slave pointer (2)]
⎜ ↳ PS/2 Generic Mouse id=14 [slave pointer (2)]
⎣
I'm still running xubuntu 14.04, current Kernel 3.16.0-60-generic x86_64
edit: well, that look weird
dkms status
bbswitch, 0.7, 3.13.0-67-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-68-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-70-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-71-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-73-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-74-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-76-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-77-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-52-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-53-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-55-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-56-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-57-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-59-generic, x86_64: installed
bbswitch, 0.7, 3.16.0-60-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-70-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-71-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-73-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-74-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-76-generic, x86_64: installed
nvidia-352, 352.63, 3.13.0-77-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-53-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-55-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-56-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-57-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-59-generic, x86_64: installed
nvidia-352, 352.63, 3.16.0-60-generic, x86_64: installed
psmouse, alps-1.3, 3.13.0-67-generic, x86_64: installed
psmouse, alps-1.3, 3.13.0-68-generic, x86_64: installed
psmouse, alps-1.3, 3.13.0-70-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.13.0-71-generic, x86_64: installed
psmouse, alps-1.3, 3.13.0-73-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.13.0-74-generic, x86_64: installed
psmouse, alps-1.3, 3.13.0-76-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.13.0-77-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-52-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-53-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-55-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-56-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-57-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-59-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse, alps-1.3, 3.16.0-60-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.13.0-67-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse-dkms-alpsv7, 1.1, 3.13.0-68-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse-dkms-alpsv7, 1.1, 3.13.0-70-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.13.0-71-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse-dkms-alpsv7, 1.1, 3.13.0-73-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.13.0-74-generic, x86_64: installed (WARNING! Diff between built and installed module!)
psmouse-dkms-alpsv7, 1.1, 3.13.0-76-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.13.0-77-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-52-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-53-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-55-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-56-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-57-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-59-generic, x86_64: installed
psmouse-dkms-alpsv7, 1.1, 3.16.0-60-generic, x86_64: installed (WARNING! Diff between built and installed module!)
sudo apt-get install linux-generic-lts-wily
. It should work without custom fixes.dkms status
.