Hi Mark, On Wed, Feb 19, 2025 at 1:33 AM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Tue, Feb 18, 2025 at 06:35:54PM +1000, James Calligeros wrote: > > > Multiple amps can be connected to the same SDZ GPIO. Using raw GPIOs for > > this breaks, as there is no concept of refcounting/sharing. In order to > > model these platforms, introduce support for an SDZ "regulator". This > > allows us to represent the SDZ GPIO as a simple regulator-fixed, and > > then the regulator core takes care of refcounting so that all codecs are > > only powered down once all the driver instances are in the suspend > > state. > > I get that the reference counting that the regulator API does is useful > here but this isn't a regulator so shouldn't be exposed as such, > particularly since this winds up being visible in the DT ABI. I > could've sworn that someone did some helpers for this case but now I go > looking I can't find them, we certainly don't use any in the regulator > core.
