I just bought a new HP 355 G2 laptop and I'm trying to figure out how to make the built-in fingerprint reader work. I have tried installing Fingerprint GUI, but it tells me there are no devices found. Using the command
lsusb I get this:
Bus 003 Device 003: ID 138a:0050 Validity Sensors, Inc. Swipe Fingerprint Sensor
Which would mean that the fingerprint reader is recognized. After searching for hours on google, I found this patch, which was supposedly reverse-engineered for the 138a:0050, according to this video. Unfortunately I have not been able to make it work, and apparently the creator of this patch passed away in 2014, so there's no way of contacting him for help.
EDIT: I finally successfully compiled the driver, and while it now registers the device, the sensor lights up and I can register fingers, however when I try to use swipe to obtain root privileges or login, i just keep getting "swipe your finger again" until it times out and I have to input a password. Can anybody help?