Re: [alsa-devel] [PATCH] ASoC: soc-pcm: Use delay set in pointer function

From: Mark Brown
Date: Tue Jul 31 2018 - 09:12:58 EST

On Tue, Jul 31, 2018 at 12:32:59PM +0200, Takashi Iwai wrote:
> Mark Brown wrote:

> > However since it's not supposed to be providing any DMA a CPU DAI really
> > shouldn't be doing this...

> Well, if so, the CPU dai also cannot get the exact base delay
> corresponding to the reported position, either, no?

It can know how much delay it's adding internally between its input and
output, which feeds into the overall delay experienced by the user.

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