cannot identify fingerprint device

Brand new Thinkpad Yoga X1
Quote:

root@harold:/# uname -a Linux harold 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64 GNU/Linux root@harold:/# lsusb Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 06cb:00bd Synaptics, Inc. Bus 001 Device 003: ID 04f2:b67c Chicony Electronics Co., Ltd Bus 001 Device 002: ID 056a:51ba Wacom Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub root@harold:/# lspci 00:00.0 Host bridge: Intel Corporation Device 3e34 (rev 0c) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (Whiskey Lake) (rev 02) 00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 0c) 00:08.0 System peripheral: Intel Corporation Skylake Gaussian Mixture Model 00:12.0 Signal processing controller: Intel Corporation Cannon Point-LP Thermal Controller (rev 11) 00:13.0 Serial controller: Intel Corporation Device 9dfc (rev 11) 00:14.0 USB controller: Intel Corporation Cannon Point-LP USB 3.1 xHCI Controller (rev 11) 00:14.2 RAM memory: Intel Corporation Cannon Point-LP Shared SRAM (rev 11) 00:14.3 Network controller: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] (rev 11) 00:15.0 Serial bus controller [0c80]: Intel Corporation Device 9de8 (rev 11) 00:15.1 Serial bus controller [0c80]: Intel Corporation Device 9de9 (rev 11) 00:16.0 Communication controller: Intel Corporation Cannon Point-LP MEI Controller (rev 11) 00:16.3 Serial controller: Intel Corporation Device 9de3 (rev 11) 00:1d.0 PCI bridge: Intel Corporation Cannon Point-LP PCI Express Root Port (rev f1) 00:1d.4 PCI bridge: Intel Corporation Device 9db4 (rev f1) 00:1f.0 ISA bridge: Intel Corporation Cannon Point-LP LPC Controller (rev 11) 00:1f.3 Audio device: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 11) 00:1f.4 SMBus: Intel Corporation Cannon Point-LP SMBus Controller (rev 11) 00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Point-LP SPI Controller (rev 11) 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (6) I219-LM (rev 11) 03:00.0 Non-Volatile memory controller: Intel Corporation SSD Pro 7600p/760p/E 6100p Series (rev 03) 05:00.0 PCI bridge: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] (rev 02) 06:00.0 PCI bridge: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] (rev 02) 06:01.0 PCI bridge: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] (rev 02) 06:02.0 PCI bridge: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] (rev 02) 06:04.0 PCI bridge: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] (rev 02) 07:00.0 System peripheral: Intel Corporation JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016] (rev 02) 2d:00.0 USB controller: Intel Corporation JHL6540 Thunderbolt 3 USB Controller (C step) [Alpine Ridge 4C 2016] (rev 02)

I know that there is a fingerprint reader; it worked under Windows before I scrubbed the DD and installed Linux. However, I cannot recognize the device from the above listing.

Also, how does one read the output from the device? Presumably it is a bitmap in some raw format.