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[Bug 1487345] [NEW] Noises from CX20722 codec after reboot

 

Public bug reported:

This bug is meant for tracking purposes. Please do not triage.

On shutdown/reboot of CX20722, first shut down all EAPDs, then
shut down the afg node to D3.

Failure to do so can lead to spurious noises from the internal speaker
directly after reboot (and before the codec is reinitialized again, such as in BIOS setup or GRUB menus).

** Affects: hwe-next
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: David Henningsson (diwic)
         Status: In Progress

** Description changed:

  This bug is meant for tracking purposes. Please do not triage.
+ 
+ On shutdown/reboot of CX20722, first shut down all EAPDs, then
+ shut down the afg node to D3.
+ 
+ Failure to do so can lead to spurious noises from the internal speaker
+ directly after reboot (and before the codec is reinitialized again, such as in BIOS setup or GRUB menus).

** Changed in: linux (Ubuntu)
       Status: New => In Progress

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => David Henningsson (diwic)

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https://bugs.launchpad.net/bugs/1487345

Title:
  Noises from CX20722 codec after reboot

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress

Bug description:
  This bug is meant for tracking purposes. Please do not triage.

  On shutdown/reboot of CX20722, first shut down all EAPDs, then
  shut down the afg node to D3.

  Failure to do so can lead to spurious noises from the internal speaker
  directly after reboot (and before the codec is reinitialized again, such as in BIOS setup or GRUB menus).

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