[Thinkpad Extreme] Install fingerprint reader support for Thinkpad X1 Extreme in Ubuntu 19.x, 20.x

gistfile1.txt

# warning, dirty installation over preinstalled #
# BIOS reset finerpint data might be necessary for proper detection #
# initial sensor detection might take some time after system start #

sudo su
apt install fwupdate
fwupdmgr get-devices
fwupdmgr enable-remote lvfs-testing
fwupdmgr get-devices
fwupdmgr refresh
fwupdmgr get-updates
fwupdmgr update

# fwupdmgr should find something like Prometheus #

cd /tmp
apt install libpam-fprintd
apt install meson ninja
apt install cmake libpolkit-gobject-1-dev libpam0g-dev libtool intltool gtk-doc-tools glib libglib2.0-dev libgusb-dev
apt install libpixman-1-dev libnss3-dev gobject-introspection automake
git clone https://gitlab.freedesktop.org/libfprint/libfprint.git
cd libfprint
meson configure
cd build && ninja && ninja install
ldconfig
cd ../..
git clone https://gitlab.freedesktop.org/libfprint/fprintd.git
cd fprintd
./autogen.sh --prefix=/usr
make install
vi /etc/pam.d/common-auth
#insert this as first auth line:  auth sufficient /lib/x86_64-linux-gnu/security/pam_fprintd.so
pam-auth-update
fprintd-enroll <USER>

This part didn't work for Pop!_OS 21.04 :

# fwupdmgr should find something like Prometheus #

😟

Thanks,
fwupdmgr enable-remote lvfs-testing
did the trick to make the fingerprint sensor work on Ubuntu 22 with my Thinkpad Carbon X1 10th gen

what gen do you have? I don't see any fingerprint reader on gen 4 x1 extreme with i9/3080.