Lenovo ThinkPad X270

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Reason: Some entries in the hardware table need to be tested. A function keys section needs to be added. (Discuss in Talk:Lenovo ThinkPad X270)
Hardware PCI/USB ID Working?
Touchpad Yes
TrackPoint Yes
Keyboard Yes
GPU 8086:1916 Yes
8086:5916 Yes
Webcam (Acer) 5986:111c Untested
5986:2118 Untested
Webcam (Chicony) 04f2:b5ab Yes
Webcam (Lite-On) 04ca:7066 Partial
Ethernet 8086:15d8 Yes
8086:1570 Yes
8086:15d7 Yes
8086:156f Yes
Bluetooth 8087:0a2b Yes
SD card reader 10ec:522a Yes
Audio 8086:9d70 Yes
8086:9d71 Yes
Wireless 8086:24f3 Yes
8086:24fd Yes
WWAN (Sierra) 1199:9079 Untested
WWAN (Fibocom) 2cb7:0002 Untested
Smart card reader 058f:9540 Untested
Fingerprint reader 138a:0097 Yes
TPM Untested

Firmware

In August of 2018 Lenovo has joined the Linux Vendor Firmware Service (LVFS) project, which enables firmware updates from within the OS. BIOS updates can be queried for and installed through fwupd.

Fingerprint reader

Install the python-validityAUR package. Once you have done that, continue with fprind-enroll. If that command returns list_devices failed, please check the status of the python3-validity service. If the status of the service is not active, stop the service and reset the device validity-sensors-firmware, python3 /usr/share/python-validity/playground/factory-reset.py. Start the python3-validity service & run fprind-enroll again.

No audio over HDMI

Use aplay -l to list all audio devices. Use speaker-test to find the correct device-id for HDMI audio, e.g. 

$ speaker-test -c 2 -r 48000 -D hw:0,7

Once you have identified the correct audio device id, add the device at the end of your /etc/pulse/default.pa: 

/etc/pulse/default.pa
load-module module-alsa-sink device=hw:0,7 channels=2 rate=48000 sink_properties=device.description=HDMI

Finally: 

$ killall pulseaudio
$ pulseaudio --check

About webcam partial support

The Lite-On webcam works with guvcview or VLC, but not cheese. This may be related to https://gitlab.gnome.org/GNOME/cheese/-/issues/112.

See also