[fprint] failed to get it working on the Sony UX1XN

[Dan]

some more error info when i run:

pam_fprint_enroll --enroll-finger 1

This program will enroll your finger, unconditionally overwriting any
selected print that was enrolled previously. If you want to continue,
press enter, otherwise hit Ctrl+C

Found device claimed by UPEK TouchStrip driver
Opened device. It's now time to enroll your finger.

You will need to successfully scan your Left Thumb 3 times to complete
the process.

Scan your finger now.
upekts:error [read_msg] non-zero bytes in cmd response
upekts:error [read_msg28] expected response, got -1 seq=20
upekts:error [read_msg] non-zero bytes in cmd response
upekts:error [read_msg28] expected response, got -1 seq=30
fp:error [fp_enroll_finger_img] enroll failed with code -71
Enroll failed with error -71