Comment 4 for bug 1905603

tricky ~
❯ apt-cache policy 'libfprint-2-2'
libfprint-2-2:
  Installato: 1:1.90.2+tod1-0ubuntu1~20.04.3
  Candidato: 1:1.90.2+tod1-0ubuntu1~20.04.3
  Tabella versione:
 *** 1:1.90.2+tod1-0ubuntu1~20.04.3 400
        400 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        100 /var/lib/dpkg/status

I've a blacklisted device here:
 Bus 001 Device 002: ID 138a:0090 Validity Sensors, Inc. VFS7500 Touch Fingerprint Sensor

And that's properly marked:

❯ udevadm info --query=all -n /dev/bus/usb/001/002
P: /devices/pci0000:00/0000:00:14.0/usb1/1-6
N: bus/usb/001/002
L: 0
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-6
E: DEVNAME=/dev/bus/usb/001/002
E: DEVTYPE=usb_device
E: DRIVER=usb
E: PRODUCT=138a/90/164
E: TYPE=255/16/255
E: BUSNUM=001
E: DEVNUM=002
E: MAJOR=189
E: MINOR=1
E: SUBSYSTEM=usb
E: USEC_INITIALIZED=2054283
E: ID_VENDOR=138a
E: ID_VENDOR_ENC=138a
E: ID_VENDOR_ID=138a
E: ID_MODEL=0090
E: ID_MODEL_ENC=0090
E: ID_MODEL_ID=0090
E: ID_REVISION=0164
E: ID_SERIAL=138a_0090_16fc88b91447
E: ID_SERIAL_SHORT=16fc88b91447
E: ID_BUS=usb
E: ID_USB_INTERFACES=:ff0000:
E: ID_VENDOR_FROM_DATABASE=Validity Sensors, Inc.
E: ID_MODEL_FROM_DATABASE=VFS7500 Touch Fingerprint Sensor
E: ID_PATH=pci-0000:00:14.0-usb-0:6
E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_6
E: LIBFPRINT_DRIVER=Hardcoded whitelist

tricky ~ SIGINT(2) 17:27:22
❯ cat /sys/devices/pci0000:00/0000:00:14.0/usb1/1-6/power/control
auto