Re: [alsa-devel] [PATCH V2] ASoC: soc-pcm: BE dai needs prepare when pause release after resume

On Thu, May 09, 2019 at 02:30:39AM +0000, Yang, Libin wrote:

I think this may be a ASoC FE-BE defect. In this case, ASoC will call FE dai prepare(), but it will not call BE dai prepare() because of the judgement. This is why I made the patch.

If it's calling only the front end but not the back end that definitely sounds like DPCM is causing trouble again.