[alsa-devel] [PATCH v3] ASoC: dapm: Add new widget type snd_soc_dapm_dsp_component

[Liam Girdwood]

On Fri, 2017-06-16 at 13:26 +0100, Liam Girdwood wrote:

> 
> Ok, I can redo and use specific types, but there still is a problem of
> how do we configure a pipeline (a collection of widgets, where several
> pipelines can make a path from PCM to DAI). This configuration data is
> not hw/sw params type data, but more DSP scheduling type data. My
> original thought was the pipeline widget, as there is nothing else that
> cleanly fits into the ABI and that the pipeline scheduling data is DAPM
> widget/graph related anyway.
> 
> Another alternative is extending the topology ABI and introduce a
> pipeline object that would be ignore by the core and just used by
> certain drivers and firmwares ?
> 


I think I'm tending towards having a scheduler widget now (instead of a
pipeline widget) and that would be a valid part of the graph and also
discoverable via debugfs etc.

Liam

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