This may be useful when trying to identify the device across sessions.
https://bugzilla.gnome.org/show_bug.cgi?id=740759
78fdefc input-device: Add vendor/product ID properties and getters
clutter/clutter-device-manager-private.h | 3 +
clutter/clutter-input-device.c | 87 ++++++++++++++++++++++++++++
clutter/clutter-input-device.h | 5 ++
doc/reference/clutter/clutter-sections.txt | 2 +
4 files changed, 97 insertions(+)
Upstream: git.gnome.org