I am sorry, but I currently have no more ideas. Starting with the 8032_debug option seems to be good to gather information (except for thos who have the touchpad attached to usb). Unfortunately, since I do not know how the trace should look, the best thing to do would be to try a upstream vanilla kernel and if that doesn't detect the touchpad as well, open a kernel bugzilla.
I am sorry, but I currently have no more ideas. Starting with the 8032_debug option seems to be good to gather information (except for thos who have the touchpad attached to usb). Unfortunately, since I do not know how the trace should look, the best thing to do would be to try a upstream vanilla kernel and if that doesn't detect the touchpad as well, open a kernel bugzilla.