meven added a comment.
I tried using it but my system does not suspend-then-hibernate mode.
You can check if your system supports it once you have systemd >= 239 and the
following command returns true :
qdbus org.freedesktop.PowerManagement /org/freedesktop/PowerManagement
CanSuspendThenHibernate
Or this one should have the same result :
qdbus org.freedesktop.PowerManagement /org/freedesktop/PowerManagement
CanHibernate
REPOSITORY
R122 Powerdevil
BRANCH
arcpatch-D16425_1
REVISION DETAIL
https://phabricator.kde.org/D16425
To: avaldes, broulik, ngraham
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