Re: [PATCH v4 4/4] dt-bindings: net: broadcom-bluetooth: Add pcm config

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Hi,

On Thu, Nov 14, 2019 at 11:20 AM Abhishek Pandit-Subedi
<abhishekpandit@xxxxxxxxxxxx> wrote:
>
> > >  Example:
> > > @@ -40,5 +45,11 @@ Example:
> > >         bluetooth {
> > >                 compatible = "brcm,bcm43438-bt";
> > >                 max-speed = <921600>;
> > > +
> > > +               brcm,bt-sco-routing = [01];
> > > +               brcm,pcm-interface-rate = [02];
> > > +               brcm,pcm-frame-type = [00];
> > > +               brcm,pcm-sync-mode = [01];
> > > +               brcm,pcm-clock-mode = [01];
> >
> > I'm at least marginally curious why your example has a leading 0 for
> > all numbers.  It makes me think you intend them to be represented in
> > octal, though I don't know offhand if dtc uses that format for octal.
> > I guess it doesn't matter since all your numbers are between 0 and 5,
> > but it does seem strange.
>
> It's a bytestring with a length of 1. See bytestrings under
> https://devicetree-specification.readthedocs.io/en/latest/source-language.html#node-and-property-definitions

Oh, right!  ...except that now it's just one value and not an array of
values, just make it a normal number.  Don't worry about the fact that
it'll take up 4 bytes instead of 1--it's clearer for it to just be a
normal number.

...I would also note that the definition of the properties talks
nothing about them being a bytestring.  ;-)

-Doug



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