From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: Nico Schottelius <nico.schottelius@ungleich.ch>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: Internal microphone does not work with 5.12 (Tiger Lake, X1 Nano)
Date: Thu, 27 May 2021 09:35:47 -0500 [thread overview]
Message-ID: <a9f03425-cdd7-1a14-fcbe-abdce5e1a21f@linux.intel.com> (raw)
In-Reply-To: <87h7io8e97.fsf@ungleich.ch>
>> arecord -fdat -vv -Dplugw:0,6 -c4 /dev/null
>
> That does not work:
>
> [15:55] nb3:~% arecord -fdat -vv -Dplugw:0,6 -c4 /dev/null
> ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM plugw:0,6
> arecord: main:830: audio open error: No such file or directory
typo: you need to use plughw:0,6 or just hw:0,6
>
> However, recording with audacity produces to results:
>
> - no sound recorded by default
> - sound recorded when I plugin an external headset
>
> And using arecord -fdat -vv -c4 /dev/null (without -Dplugw) I get
> output, but the level is always 00% without the headset, ranges 02 ~ 90%
> with the headset plugged in.
>
> I was wondering if there's a hardware switch "broken"
> for the detection of the headset and that's why the mic is muted
> internally?
No, the DMIC has nothing to do with the headset, it's an independent
interface.
next prev parent reply other threads:[~2021-05-27 14:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-27 9:50 Internal microphone does not work with 5.12 (Tiger Lake, X1 Nano) Nico Schottelius
2021-05-27 9:57 ` Jaroslav Kysela
2021-05-27 10:39 ` Nico Schottelius
2021-05-27 10:56 ` Kai Vehmanen
2021-05-27 12:02 ` Nico Schottelius
2021-05-27 13:43 ` Kai Vehmanen
2021-05-27 14:04 ` Nico Schottelius
2021-05-27 14:35 ` Pierre-Louis Bossart [this message]
2021-05-27 13:55 ` Nico Schottelius
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