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

[Takashi Iwai]

On Tue, 31 Jul 2018 15:12:46 +0200,
Mark Brown wrote:
> 
> 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.

But isn't it merely the additional delay that should be applied on top
of the existing runtime->delay?


Takashi