Quade13

No, it is being supported on a very limited number of devices on Nougat, and yours is not among them.

It means you have to wait. It's not like there is overly sketchy implementation for each and every phone (hence I question the need of the DAC policy dumps topic on the forum), more like a driver callback. As evidently seen, we've been waiting for over a year and there's a glimpse of hope that the upcoming PA build will have the hi res feature restored to its former Android 6 form, or function at all. So, wait.

Now, do make an AudioFlinger log dump. I am more than certain you'll find PA playing into the primary thread, while being submixed at 16/48.

Not quite. Lacks of the qcom Aqstic codec. https://www.qualcomm.com/products/snapdragon/processors/801

Are you certain about that?