The following is also an events file contents needed for some more recent Lenovo Thinkpads (not just those with Elantech touchpads):
event=ibm/hotkey HKEY 00000080 000060a action=/etc/acpi/asus-touchpad.sh
The following is also an events file contents needed for some more recent Lenovo Thinkpads (not just those with Elantech touchpads):
event=ibm/hotkey HKEY 00000080 000060a /etc/acpi/ asus-touchpad. sh
action=