[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1869372

Title:
  Popping/crackling noise when sound card wakes from powersaving

Status in linux package in Ubuntu:
  Expired

Bug description:
  I could not find an existing report on this.
  When Ubuntu 20.04 does powersaving, the audio card powers down.
  When the card powers up again, it emits a short annoying popping/crackling 
noise, then audio plays just fine.

  The workaround is to disable power-saving for the audio card, by
  adding

  options snd_hda_intel power_save=0 power_save_controller=N

  to a file in /etc/modprobe.d/alsa-intel-no-powersave.conf

  and then reboot.

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