Confirmed on HP ProBook 6550b
$ uname -a Linux 3.2.0-60-generic #91-Ubuntu SMP Wed Feb 19 03:54:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
$ lsusb | grep VFS Bus 001 Device 003: ID 138a:0007 Validity Sensors, Inc. VFS451 Fingerprint Reader
I'm also able to help, if it is possible ... Please let me know.
Confirmed on HP ProBook 6550b
$ uname -a
Linux 3.2.0-60-generic #91-Ubuntu SMP Wed Feb 19 03:54:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
$ lsusb | grep VFS
Bus 001 Device 003: ID 138a:0007 Validity Sensors, Inc. VFS451 Fingerprint Reader
I'm also able to help, if it is possible ... Please let me know.