** Changed in: linux (Ubuntu Focal)
Status: Triaged => Fix Committed
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https://bugs.launchpad.net/bugs/1890220
Title:
ASoC:amd:renoir: the dmic can't record sound after suspend and resume
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Triaged
Status in linux source package in Focal:
Fix Committed
Status in linux-oem-5.6 source package in Focal:
Triaged
Bug description:
[Impact]
We have backported the amd renoir audio driver to oem-5.6 and focal
kernel, recently we found if the dmic is working and we suspend and
resume, the dmic can't record the sound after resume.
[Fix]
After resuming, the driver needs to restore 2 more registers, then the
dmic could record the sound.
[Test Case]
Boot the kernel with this patch, open the sound-setting and run suspend
and resume, then use arecord to record the sound, verify the sound is
successfully recorded by aplaying it.
[Regression Risk]
Low, this patch is verified on the amd renoir machine, and this patch
got ack from AMD engineer.
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