(In reply to Térence Clastres from comment #232)
> I notice the following in the log with patch 7:
> Also, I don't know if it's expected but enabling 'mic boost' produces a lot
> of noise.
> pulseaudio[3370]: E: [alsa-source-ALC1220 Analog] alsa-source.c: We were
> woken up with POLLIN set -- however a subsequent snd_pcm_avail() returned 0
> or another value < min_avail.

That's mostly harmless chats from PA unless you hear anything obvious
due to this.  The noise by the mic boost is also normal.  It's rather a
codec side problem and the hardware implementation itself.

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  Microphone distorted sound on ALC892/1220 on AMD chipsets

Status in Linux:
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

  alsa-info on the attachments

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