Is this part of your most recent release?
Drive-Trust-Alliance#190
and is this the appropriate Documentation / Wiki for it.
ladar/sedutil#4 (comment)
If yes, then please update your README.md as it states
***** sleep (S3) is not supported.
If no, why not?
This is not an accusation but just a question to clarify the feature-set of this sedutil version for me.