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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1878554
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1878554
Title:
alsa/hdmi: restore the component support patch_nvhdmi
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux-oem-5.6 source package in Focal:
New
Status in linux source package in Groovy:
Incomplete
Bug description:
BugLink: https://bugs.launchpad.net/bugs/1878554
The reverted patch was introduced by stable-patches, and this SRU
plans to revert the patch, the commit id is from oem-5.6 kernel,
so maybe in the Groovy and unstable kernel, the commit id is not
same as this one.
[Impact]
On Lenovo P520 with Nvida P4000 grahic card, the hdmi audio doesn't
work.
[Fix]
revert an existing patch to let patch_nvhdmi support component.
[Test Case]
boot the system, plug the hdmi/dp monitor, the hdmi audio could work,
wait for 10 mins until the screen become black, wake up the screen and
check the audio, still work well.
[Regression Risk]
Low, after reverting the patch, it is aligned to mainline kernel
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