[alsa-devel] dynamic PCM and dynamic DSP graphs

Sebastien LEDUC sebastien.leduc at st.com
Fri Oct 19 13:56:12 CEST 2012

Hi Liam,
Thank for the quick reply

> Will this not race against the graph walk ? as it sounds like you are changing the graph during the DAPM walk here.

No, we are not changing the DAPM graph during the graph walk.
We are only changing the DSP graph

> I think the consensus reached at plumbers was that we would use the media framework API to export the graph information to userspace and also allow userspace to change the graph objects and routing (via media framework APIs). The media framework guys were > happy to support this albeit the media framework is missing some functionality to remove graph objects atm (iirc it can currently add and change graph objects).

How will this interact with the DSP DAPM graph?


More information about the Alsa-devel mailing list