Bug 242527

Summary:	microphone on x1 carbon gen 7 does not work - Intel SKL HDA driver apparently required
Product:	Base System	Reporter:	Ed Maste <emaste>
Component:	kern	Assignee:	freebsd-multimedia (Nobody) <multimedia>
Status:	New ---
Severity:	Affects Only Me	CC:	bapt, delphij
Priority:	---
Version:	CURRENT
Hardware:	Any
OS:	Any
See Also:	https://bugzilla.kernel.org/show_bug.cgi?id=201251 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253900 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277442

Description Ed Maste freebsd_committer

2019-12-09 19:07:56 UTC

x1g7 has "4 x 360-degree far-field microphones" which apparently require DSP support to be of any use.

From Linux kernel bug 201251:
> The only way to enable DMIC support with HDA is to enable the DSP support.
> If you use the legacy HDaudio driver you will not be able to access the DSP.

https://bugzilla.kernel.org/show_bug.cgi?id=201251