[Fingerforce-devel] Bug#679001: Bug#679001: libfprint0: Missing fingerprint reader in 60-libfprint0.rules

Didier 'OdyX' Raboud odyx at debian.org
Tue Jun 26 08:48:05 UTC 2012

tags 679001 +patch +pending

Hi Chris, and thanks for your bugreport,

Le lundi, 25 juin 2012 18.16:49, Chris a écrit :
> while using the fingerprint-gui https://launchpad.net/~fingerprint on my
> Thinkpad T61 with this fingerprint  reader:
> Bus 002 Device 002: ID 0483:2016 SGS Thomson Microelectronics
> Fingerprint Reader
> i've got the message "cloud not open fingerprint-device". After adding
> the following line:
> SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="2016",
> ATTRS{dev}=="*", ATTR{power/control}="auto", MODE="0664", GROUP="plugdev"
> to my
> /lib/udev/rules.d/60-libfprint0.rules
> the gui is now working.

Indeed. The udev rules generator was too smart: your device is blacklisted by 
libfprint for the power/control capability so there was no udev rule created 
at all. The attached patch embeds the Debian-specifics in that udev rules 
generator while respecting the blacklist for power/control.

This will be uploaded soon.

> SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="2015",
> ATTRS{dev}=="*", ATTR{power/control}="auto", MODE="0664", GROUP="plugdev"
> SUBSYSTEM=="usb", ATTRS{idVendor}=="1162", ATTRS{idProduct}=="0300",
> ATTRS{dev}=="*", ATTR{power/control}="auto", MODE="0664", GROUP="plugdev"
> Maybe this readers can be added to the rules file from libfprint0?

No; and here's why: 0483:2015 and 1162:0300 are devices supported by the 
"upektc" and "fdu2000" drivers respectively. These two drivers cannot 
currently be compiled in libfprint and are marked as "not ported" (to 

So before adding the udev rules for them, one needs to port the drivers.


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