On 2022-09-19 09:55, Diederik de Haas wrote: > On maandag 19 september 2022 09:46:41 CEST Oliver Sander wrote: >> I have a ThinkPad X1 Yoga (4th gen). It has an NFC device built in. >> The NFC device appears in the BIOS, and it is enabled there. >> However, I cannot see it from Debian at all. Neither lsusb nor >> lspci show anything ressembling an NFC device. I would gladly help >> to debug this, but I don't know what to do in such a situation. > > What is needed is finding out which NFC chip(s/set) is being used in your > device. Assuming it is supported on Linux, it could be as simple as enabling a > kernel config option. > > I'm guessing the device came initially with Windows and if you still have > that, it could be that it can tell you which NFC hardware is being used. > Another option is asking Lenovo directly. > Yes - this should be a NXP device. I've attached a guide on how to get it working under Ubuntu (should apply for Debian too). Not 100% sure if this is correct for the Yoga 4 - let me know how it works. We've had barely any interest in getting NFC working (I think this might be the second question I've had about it in 3 years). I'd love to know what you're planning on doing with it - in case this should be a higher priority item to get properly working upstream. Let me know how it goes Mark
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BUILDING NFC DEMO APP (Ubuntu).pdf
Description: Adobe PDF document