On Thu, Jun 30, 2016 at 02:29:07PM +0530, Subhransu S. Prusty wrote:

> Each DMA channel can be mapped to a stream in HDA. Each stream is mapped
> uniquely with a stream tag. The stream is programmed in both host and
> codec. In host the DMA is programmed with this stream tag and based on this
> DMA picks data from host buffer and puts it onto the link. Similarly the
> codec converter is programmed with the same stream tag and codec receives
> packet from the link associated with the stream tag.

Are these arbatrary tags?  If so why not just pick tags that look like
normal TDM timeslots?