Comment 4 for bug 760142

I have the same issue with my Dell Inspiron N5110. My touchpad is also recognized as a mouse.

I tried this script and it seems able to work around the problem:
http://ubuntuforums.org/showpost.php?p=10651082&postcount=13

# uname -a
Linux ubuntu 2.6.38-8-generic-pae #42-Ubuntu SMP Mon Apr 11 05:17:09 UTC 2011 i686 i686 i386 GNU/Linux

$ cat /proc/bus/input/devices
[snip]
I: Bus=0011 Vendor=0002 Product=0005 Version=7326
N: Name="ImPS/2 ALPS GlidePoint"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input7
U: Uniq=
H: Handlers=mouse0 event7
B: PROP=0
B: EV=7
B: KEY=70000 0 0 0 0 0 0 0 0
B: REL=103
[snip]