** Changed in: hwe-next
Status: New => Fix Released
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Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1904595
Title:
Fix no headset sound after S3 on Intel HDA
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
Status in linux-oem-5.6 source package in Groovy:
Invalid
Bug description:
[Impact]
After system S3, hotplugging headset cannot produce any sound despite of
being auto-selected as audio output.
[Fix]
Avoid using pm_runtime_force_{suspend,resume} helpers to ensure codec
suspend/resume flow, and also ensure HDA driver and PCI set correct
wakeup settings.
[Test case]
Plug headset, unplug headset, switch audio ouput from speakers to HDMI
to let Intel HDA auto suspend. Suspend/resume the system, plug the
headset again, hear no sound.
With the patch series applied, the issue is gone.
[Where problems could occur]
If there is bad firmware/hardware that makes codec have system-wide
wakeup capability, direct-complete flow may trigger unwanted system
wakeup or even break system suspend. The series was tested on both AMD
and Intel platforms, with Realtek and Connexant codecs respectively.
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