On Tue, Jul 06, 2021 at 01:40:59AM +0530, Mukunda,Vijendar wrote:

> To make AMD specific platform change(which uses ACP 2.x IP), As per our
> understanding we should only update the flag in ACP DMA driver by adding
> flag in snd_pcm_substream structure rather than adding flag in card
> structure.
> Please suggest us, if there is any better place holder to add
> "stop_dma_first" flag.

I'd expect this to be configured by the machine driver in the dai_link.
It might need copying over to the substream for runtime use but the core
should do that.