On Tue, Nov 16, 2021 at 02:43:30PM -0600, Pierre-Louis Bossart wrote:

> When the hw_ptr is updated, the avail/delay value are also modified.

> see the diagram in
> https://www.kernel.org/doc/html/latest/sound/designs/timestamping.html?highlight=pcm%20timestamping

> I would think it's more accurate to update the delay information while
> dealing with the hw_ptr update, no?

Morimoto-san?