Comment 8 for bug 1905603

Also verified on groovy now:

apt-cache policy libfprint-2-2
libfprint-2-2:
  Installed: 1:1.90.3+tod1-0ubuntu2~20.10.2
  Candidate: 1:1.90.3+tod1-0ubuntu2~20.10.2
  Version table:
 *** 1:1.90.3+tod1-0ubuntu2~20.10.2 500
        500 http://archive.ubuntu.com/ubuntu groovy-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     1:1.90.3+tod1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu groovy/main amd64 Packages

udevadm info --query=all -n /dev/bus/usb/001/004
P: /devices/pci0000:00/0000:00:14.0/usb1/1-9
N: bus/usb/001/004
L: 0
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-9
E: DEVNAME=/dev/bus/usb/001/004
E: DEVTYPE=usb_device
E: DRIVER=usb
E: PRODUCT=6cb/bd/0
E: TYPE=255/16/255
E: BUSNUM=001
E: DEVNUM=004
E: MAJOR=189
E: MINOR=3
E: SUBSYSTEM=usb
E: USEC_INITIALIZED=3475228
E: ID_VENDOR=06cb
E: ID_VENDOR_ENC=06cb
E: ID_VENDOR_ID=06cb
E: ID_MODEL=00bd
E: ID_MODEL_ENC=00bd
E: ID_MODEL_ID=00bd
E: ID_REVISION=0000
E: ID_SERIAL=06cb_00bd_ea61678c21e3
E: ID_SERIAL_SHORT=ea61678c21e3
E: ID_BUS=usb
E: ID_USB_INTERFACES=:ff0000:
E: ID_VENDOR_FROM_DATABASE=Synaptics, Inc.
E: ID_MODEL_FROM_DATABASE=Prometheus MIS Touch Fingerprint Reader
E: ID_PATH=pci-0000:00:14.0-usb-0:9
E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_9
E: LIBFPRINT_DRIVER=Synaptics Sensors

u@u-ThinkPad-X1-Yoga-4th:~$ cat /sys/devices/pci0000\:00/0000\:00\:14.0/usb1/1-9/power/control
auto