[Bug 222636] Headphones redirection for Lenovo T420s

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222636

--- Comment #8 from Slawomir Wojciech Wojtczak <vermaden@interia.pl> ---
(In reply to Graham Perrin from comment #7)

Sorry to disappoint - but I do not know what (and how) to patch this.

This is only thing I know it works - these lines in /boot/device.hints file:

# SOUND ON HEADPHONES T420s/X220T
hint.hdaa.0.nid31.config="as=1"
hint.hdaa.0.nid25.config="as=1 seq=15 device=Headphones mute=0 misc=0"
hint.hdaa.0.nid28.config="as=1 seq=15 device=Headphones mute=0 misc=0"

I do not know how to translate that into code ...

Regards.

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