On Mon, Sep 09, 2019 at 06:52:13PM -0700, Nicolin Chen wrote:

> And a quick feeling is that below code is mostly identical to what
> is in the soc-generic-dmaengine-pcm.c file. So I'm wondering if we
> could abstract a helper function somewhere in the ASoC core: Mark?

That's roughly what sound/core/pcm_dmaengine.c is doing -
possibly we should move more stuff into there.