Re: [PATCH 2/6] dt-bindings: iio: adc: ad7380: fix ad7380-4 reference supply

[Jonathan Cameron <jic23@kernel.org>]

On Tue, 8 Oct 2024 09:52:50 +0200
Krzysztof Kozlowski <krzk@kernel.org> wrote:

> On Mon, Oct 07, 2024 at 05:45:45PM +0200, Julien Stephan wrote:
> > ad7380-4 is the only device from ad738x family that doesn't have an
> > internal reference. Moreover its external reference is called REFIN in
> > the datasheet while all other use REFIO as an optional external
> > reference. If refio-supply is omitted the internal reference is
> > used.
> > 
> > Fix the binding by adding refin-supply and makes it required for
> > ad7380-4 only.  
> 
> Maybe let's just use refio as refin? Reference-IO fits here well.
> Otherwise you have two supplies for the same.
Whilst it is ugly, the effort this series is going to in order
to paper over a naming mismatch makes me agree with Krzysztof.

I think adding a comment to the dt-binding would be sensible
though as people might fall into this hole.

Other than the missing ret =, rest of series looks fine to me

Jonathan

> 
> Best regards,
> Krzysztof
>