How get Power state on GPIO

[Vladimir.v.v]

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VIM3 Android Power Suspend by Voltage Level / GPIO?

I am using the VIM3 in a place, where I don’t have a good way of monitoring when the device sleeps or wakes up. I currently have a separate controller pulsing the PWR button line, to put the VIM3 to sleep, and wake it up when it is needed. This works OK, but occasionally, the two systems get out of sync with each other, and the VIM3 is either awake when it needs to be suspended, or vice versa. Given this, it would be much more reliable to have a way to wake it, and make it sleep by setting a …