[Bug 290639] Bluetooth on Intel 9560 and AX201 does not work on any Alder Lake CPU variant (N100, N150)

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 290639] Bluetooth on Intel 9560 and AX201 does not work on any Alder Lake CPU variant (N100, N150)"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 05 Feb 2026 12:33:50 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290639

--- Comment #11 from Jann Röder <mail@jann-roeder.net> ---
What actually is the rule for when the modified mapping needs to be used? CNVio
version >= 2 ? I'm experimenting with a cpu_id based logic - seems to be
working for the firmware loader, but I can't get the kernel module to attach
the ubt device - need to look into that some more.

I asked Google Antigravity to come up with some code to detect the CNVio
version (and it did) - haven't tested it yet because I'm not sure what criteria
I actually need to use.

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