[fprint] AES2501 state confusion

[Philippe Troin]

Bastien Nocera <hadess at hadess.net> writes:

> On Fri, 2009-07-10 at 01:40 -0700, Philippe Troin wrote:
> > Hi,
> > 
> > I'm using libfprint 0.1.0-pre2 with fprintd in Fedora 11.
> <snip>
> >  - However, if I just use the tip of my finger to roll over the sensor
> >    quickly, gdm asks me: "Place your finger on the reader again".
> 
> I can make any imaging fingerprint readers confuse the hell out of
> libfprint's state machine, by pressing the finger real quick. I have no
> idea how to fix it.

The second patch fragment fixes it for AES2501, but it's a hack.  I
didn't want to spend a week trying to undestand the libfprint FSM...
 
Phil.