[fprint] 147e:2020 Upek TouchChip Fingerprint Coprocessor

Cyril Misev c.misev at gmail.com
Sun Jan 13 08:01:25 PST 2013


Thank you very much for working on the 147e:2020 support. It seems to 
almost work on my Lenovo T430. I start pam_fprint_enroll with libfprint 
patched with your patch. The LED of the reader turns on. After swiping 
the finger 5 times according to the instructions, the LED turns off 
however, It says "Scan your finger now" again (I presume this is for 
confirmation?) and then it fails with error -22.

I will be able to do more extensive tests next saturday, until then I 
will be busy unfortunately.

With kind regards.
Cyril Misev

On 13/01/13 15:24, Vasily Khoruzhick wrote:
> On Mon, Nov 12, 2012 at 3:28 PM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
>> On Mon, Nov 12, 2012 at 3:13 PM, Jason A. Donenfeld <Jason at zx2c4.com> wrote:
>>> Seems standard enough.
>>>> 3. Modify libfprint driver to work with your device (add another
>>>> variant for upeksonly?)
>>> Why do you say that the 2020 is for upeksonly? What differentiates the
>>> various upek drivers?
>> Maybe it can be handled via upeke2. I just hope that it's simple
>> imaging device without on-board biometric
>> co-processor.
> Hi,
> I've just tested 147e:2020 integrated in x230 laptop with upeke2
> driver and it works,
> try attached patch to see if it works for you.
> Regards
> Vasily
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