Comment 0 for bug 1942994

SRU justification:

[Impact]
Mediatek 7921 wifi card is lost when stress S3.

[Fix]
Check the valid events from firmware, make it resume back.
The patch is in maintainer's tree, but not merged to Linus's tree.
Due to the schedule, send SRU as SAUCE patch.

[Test]
Verified on hardware, wifi works fine after stress S3.
This issus is only produced on 1 platform, tested on 3 platforms, all good.

[Where problems could occur]
Mediatek 7921 wifi may be broken.