3v1n0/libfprint

failed to claim device: Open failed with error: The driver encountered a protocol error with the device.

anand-prashar opened this issue · 3 comments

anand-prashar commented

Steps followed: https://snapcraft.io/validity-sensors-tools

Error:
$fprintd-enroll
Using device /net/reactivated/Fprint/Device/0
failed to claim device: Open failed with error: The driver encountered a protocol error with the device.

Hardware device:
Validity Sensors, Inc.
138a:97

Validity Sensor tool can access and enroll fingerprint, but fprintd can not

fingerprint error

easwee commented

@anand-prashar I'm having the exact same issue using Ubuntu 20.04 on ThinkPad x270 that uses the 138a:0097 sensor.

I've been trying to make the suggestions from #11 run, but couldn't wrap my head around it yet.

aripollak commented

I ran into the same problem on 0097, and recompiling the driver with this patch worked for me: https://gitter.im/Validity90/Lobby?at=5ef3033fb8152d34845e5356
@3v1n0 could that patch be applied here?