Sometimes the Galaxy S6 (Edge) won't go into deep sleep after unroot, e.g. moving from SuperSU to MagiskSU.
Support thread for the problem: https://forum.xda-developers.com/galaxy-s6-edge/help/deep-sleep-t3079705
Solution implemented by this module: https://forum.xda-developers.com/galaxy-s6-edge/help/deep-sleep-t3079705/post60382100#post60382100
1.0 - Initial release.