[Bug 200526] [snd_hda] hissing/static noise from headphone jack on Dell Precision M4800

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Wed Oct 3 13:00:16 UTC 2018


--- Comment #19 from david at catwhisker.org ---
Created attachment 197742
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=197742&action=edit
Patch (via Jakob Alvermark) to sys/dev/sound/pci/hda/hdaa.c for head at r339121

Patch was obtained form Jakob Avermark's post to -current, a copy of which is
at https://lists.freebsd.org/pipermail/freebsd-current/2018-October/071454.html

Note that I also added

# Test a possible "sound" fix
hint.hdaa.0.nid33.config="as=1 seq=15 device=Headphones"

to /boot/loader.conf.

The fix also applies to stable/11 (@r339120) (possibly with a bit of fuzz):
that is what I am running as I type this.

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