Re: [PATCH v2 02/21] ASoC: dt-bindings: cs42l42: Do not require chip power supplies

[Mark Brown]

On Sat, Oct 10, 2026 at 12:20:04PM +1000, James Calligeros wrote:
> Krzysztof Kozlowski wrote:
> > On Sun, Oct 04, 2026 at 04:03:29PM +1000, James Calligeros wrote:

> > > Some integrators do not expose the power rails connected to the codec
> > > in a way that can be expressed in the Devicetree. Do not require them
> > > to be specified on such platforms.

> > I don't understand how these cannot be expressed in Devicetree. What are
> > we missing?

> On Apple devices, the regulator(s) driving these pins are completely opaque.
> They are not exposed via the Apple Devicetree or any other discoverable
> interface, and they are not controllable. As far as we can tell, the pins in
> question are powered whenever the machine is powered on.

So just put some fixed regulators in your DT if that's what you have?
They must physically exist.

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