So, I own a Fiio M7, running both the latest firmware, and the latest version of Poweramp(905).
I am having an issue where if I press the sleep/wake button , Poweramp stops responding to inputs from the Forward/reverse track buttons, but not the play/pause button. If I put Poweramp into the background, they work. But the instant the device goes to "sleep" they stop working altogether.
Is there some setting somewhere I need to change to make this work properly? Or is this just an issue with Fiio?