(In reply to Takashi Iwai from comment #202)
> Created attachment 284157 [details]
> The correct no.6 test patch
> 
> Oops, sorry the previous no.6 was wrong.  The correct one here.

Hi, I tested this patch and it seems to be working fine.

1) Test made at https://webcammictest.com/check-microphone.html, it
works fine as the previous patch. This is a self hear test, everything
works perfectly

2) Second test was made opening discord and using the builtin mic test,
which also has a builtin self hear test.

But, this time the output sound crackled for the first 3/4 seconds, then
it was working fine. Unlike the previous patch where it was still
present after that amount of time

Kernel 5.2.5.

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Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1801540

Title:
  Microphone distorted sound on ALC892/1220 on AMD chipsets

Status in Linux:
  Confirmed
Status in linux package in Ubuntu:
  Won't Fix
Status in pulseaudio package in Ubuntu:
  Won't Fix

Bug description:
  Not sure if I'll report this upstream but there is definitely an issue
  with microphone recording on my desktop, this is not happening on my
  laptop which has a different codec.

  Already tried all workarounds possible, no luck. Only with my desktop
  with this particular motherboard. No issues in Windows, the sound
  recorded in there is distorted and has some static and robotic tone on
  high-pitch.

  alsa-info on the attachments

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