Public bug reported:
[Impact]
HDMI audio is missing on Intel RKL.
[Fix]
Also use BIOS provided value for HDA link.
[Test]
HDMI audio is back after the fix gets applied.
[Where problems could occur]
Because this is a regression, this patch simply brings back the old
behavior for RKL systems. There could be RKL systems get fixed by
the offending commit, so this might break those hypothetical systems.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Low
Status: Confirmed
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Low
Status: Confirmed
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Low
Status: Confirmed
** Affects: linux (Ubuntu Impish)
Importance: Low
Status: Confirmed
** Affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.14 (Ubuntu Impish)
Importance: Undecided
Status: Invalid
** Tags: oem-priority originate-from-1940911 sutton
** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Impish)
Status: New => Confirmed
** Changed in: linux (Ubuntu Impish)
Importance: Undecided => Low
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: linux-oem-5.13 (Ubuntu Impish)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: linux-oem-5.14 (Ubuntu Impish)
Status: New => Invalid
** Tags added: oem-priority originate-from-1940911 sutton
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https://bugs.launchpad.net/bugs/1945556
Title:
Fix missing HDMI audio on Intel RKL
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