IMX suspend

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Suspend to RAM

This state offers significant power savings as everything in the system is put into a low-power state, except for memory, which is placed into the self-refresh mode to retain its contents.

To suspend to RAM:

$ echo mem > /sys/power/state

Current consumption when suspended

VAR-SOM-MX6 "L" revisions (1GB RAM)

17.2mA with a 3.7V Li-Po

Warning: Only "L" (for Low-power) revisions of VAR-SOM-MX6 can be operated with 3.7V!

DART-MX6

9mA with a 3.7V Li-Po

VAR-DART-6UL

4.5mA with 3.3V

VAR-SOM-MX7