Question about soc_pcm_pointer()

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Wed Apr 21 00:35:28 CEST 2021


Hi Mark

> > I noticed that current soc-pcm.c :: soc_pcm_pointer() is adding
> > both CPU-DAI's max delay (= A)
> > and Codec-DAI's max delay (= B).
(snip)
> > But I guess All-DAI's max delay is very enough for it.
> > What do you think ?
> 
> We're looking for the delay through the full audio path so it needs to
> be the maximum of the DAIs doing transmit and the maximum of the DAIs
> doing receive (ie, all CPUs and all CODECs) rather than just the maximum
> of all DAIs.

OK, thank you for your feedback.

Thank you for your help !!

Best regards
---
Kuninori Morimoto


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