Comment 6 for bug 1723736

The kernel from khfeng did fix the issue.

This is a snippet from
cat /proc/bus/input/devices

I: Bus=0018 Vendor=04f3 Product=005b Version=0000
N: Name="Elan Touchpad"
P: Phys=
S: Sysfs=/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-4/i2c-ELAN0611:00/input/input15
U: Uniq=
H: Handlers=mouse1 event15
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=663800013000003