Re: [PATCH v4 1/4] mfd: wm831x: Support software nodes for DCDC regulators

[Mark Brown]

On Fri, Nov 06, 2026 at 09:55:18AM +0000, Charles Keepax wrote:
> On Thu, Nov 05, 2026 at 06:24:48PM +0100, Arnd Bergmann wrote:

> > I assume Charles can comment on how important the testing still
> > is for the codec above, or if there is other hardware that could
> > be used for testing the arizona and wm8994 drivers in case the
> > other ones are in fact as obsolete as they appear.

> Without wanting to put words into Mark's mouth (please do shout
> at me if I am off course here), I assume his use of Cragganmore
> is less about testing specific parts and more about it being a
> very flexible complex audio system with good debug, allowing
> testing parts of the core frameworks that would be hard to hit
> with off the shelf hardware.

Yes, exactly - especially relatively exotic configurations targeted at
mobile phones.  Even when those appear on obtainable boards they're
rarely wired up in a way that exposes all the functionality.  I'm not
so interested in the specific parts as I am in what they can provide in
terms of testing generic code.

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