On Wed, Oct 11, 2023 at 10:21:33PM +0100, Mark Brown wrote: > On Wed, Oct 11, 2023 at 07:47:58PM +0800, Chancel Liu wrote: > > > + lpa-widgets: > > + $ref: /schemas/types.yaml#/definitions/non-unique-string-array > > + description: | > > + A list of DAPM endpoints which mark paths between these endpoints should > > + not be disabled when system enters in suspend state. LPA means low power > > + audio case. For example on asymmetric multiprocessor, there are Cortex-A > > I suspect that the DT maintainers would prefer that this description be > workshopped a bit to remove the Linux specifics. And Cortex A/M specifics if this is a common binding. > I think the key thing > here is that these are endpoints that can be active over suspend of the > main application processor that the current operating system is running > (system DT stuff is an interesting corner case here...), and the example > is probably a bit specific. Other bindings use "audio sound widgets" > rather than "DAPM widgets". > > We also shouldn't see that these endpoints "should not be disabled" > since that implies that they should be left on even if they aren't > active which isn't quite the case, instead it's that we can continue > playing an audio stream through them in suspend. This seems like one of those things that everyone has/does, and everyone handles it a bit differently. I applaud trying to do something common, but it isn't really common until we have multiple users. Rob
