[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 22:06:37 UTC

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

Vladimir Kondratyev <wulf@freebsd.org> changed:

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                 CC|                            |wulf@freebsd.org

--- Comment #22 from Vladimir Kondratyev <wulf@freebsd.org> ---
(In reply to Bjoern A. Zeeb from comment #17)
> The problem simply is that vendor/device IDs
> are not sufficient in BT like they are not in WiFi
> to select the correct FW.  Need to do some
> register read(s) before you know what you need.

IIRC Intel stopped use vendor/device IDs to identify particular hardware
version and started querying of version via control endpoint xfers. We do have
most or all required code in loader but someone with actual hardware should
rearrange and test it.

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