On Thu, Oct 26, 2023 at 12:58:42PM -0500, Rob Herring wrote: > On Mon, Oct 23, 2023 at 10:07:17AM +0800, Chancel Liu wrote: > > Add a property to list audio sound widgets which are marked ignoring > > system suspend. Paths between these endpoints are still active over > > suspend of the main application processor that the current operating > > system is running. > Perhaps it would be better to define components used for low power > audio rather than the OS mode that gets used. Isn't LPA just audio > handling that doesn't require the OS CPU to be involved? So the state of > the CPU is kind of orthogonal. Not really - you can have bypass paths that don't touch the AP but which will have the power cut if the AP goes into suspend and it can be a system integration decision which components that will be true for. Often it's an inflexible PMIC/MCU setup managing the lowest system power states. The pure low power audio bit we should already be able to figure out.
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