Lenovo Thinkpad X1 Extreme Gen 2

This is a beast, and everything's working in Linux :-)

• Product page: https://www.lenovo.com/us/en/laptops/thinkpad/thinkpad-x1/X1-Extreme-Gen-2/p/22TP2TXX1E2
• Support page: https://pcsupport.lenovo.com/br/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-extreme-gen-2?linkTrack=Homepage%3ABody_Browse%20Products&searchType=0&keyWordSearch=

My config:

• Product type:

  LENOVO_MT_20QV_BU_Think_FM_ThinkPad X1 Extreme 2nd

• Black Paint (FHD Models) / Carbon-Fibre Weave (UHD Models)
• Windows 10 Home 64 (immediately replaced with Linux of course)

• 9th Generation Intel® Core™ i7-9750H Processor (2.60 GHz, up to 4.50 GHz with Turbo Boost, 6 Cores, 12 Threads, 12 MB Cache) - oh yeah!
• 64 GB (32 GB + 32 GB) DDR4 2666MHz - oh yeah!
• 512 GB PCIe SSD - (ordered with a 256 GB option, since upgraded to 512 GB version)
• 15.6" UHD (3840 x 2160) OLED, anti-reflective, anti-smudge, touchscreen with Dolby Vision™ HDR 500 with IR & 720p HD Camera, 400 nits - The most beautiful display you can get!
• Multitouch display - working
• NVIDIA® GeForce® GTX 1650 Max-Q 4GB GDDR5 - working
• Fingerprint Reader - working
• Backlit - US English - working
• IR & 720p HD - working
• Enabled Discrete TPM2.0 - not tested
• 4 cell Li-Polymer, 80Wh - working, but not tested
• 135watt AC - working
• Intel® AX200 Wi-Fi 6 802.11AX (2 x 2) - working
• Bluetooth® 5.0 - working (tested audio only)
• RJ45 Extension Connector - working

Notes:

• There were some firmware updates available (see fwupdmgr) when I first received this machine that fixed Linux support for a few things. Everything I've tested so far is now working great.
• Full control of all LEDs is also working via the ec_sys module including modes: on, off, and blink for the following LEDs:
  • Red LED on back of screen
  • Power button LED
  • Red Charge LED
  • White Charge LED
  • Fn button LED
  • Microphone LED
  • CAPS lock LED
• The one that is NOT working:
  • Mute LED

• Screen backlight control is working via /sys/class/backlight/intel_backlight/brightness (min=0, max=2047)
• Keyboard LED backlight is configurable via /sys/class/leds/tpacpi::kbd_backlight/brightness (0=off, 1=medium, and 2=high)