[alsa-devel] [PATCH v2 2/2] dt: binding: sound cs42l52 driver

Tomasz Figa tomasz.figa at gmail.com
Wed Nov 13 17:47:07 CET 2013

On Wednesday 13 of November 2013 16:43:28 Mark Brown wrote:
> On Wed, Nov 13, 2013 at 05:33:30PM +0100, Tomasz Figa wrote:
> > On Wednesday 13 of November 2013 09:44:34 Brian Austin wrote:
> > > +  - reset-gpio : GPIO controller's phandle and the number
> > > +		 of the GPIO used to reset the codec.
> > As Kumar has already mentioned, all device-specific properties should be
> > prefixed with vendor prefix, "cirrus," in this case.
> The best practice on this one seems to vary somewhat randomly -
> sometimes it's a requirement, sometimes it isn't.

AFAIR we decided on ARM Mini Summit to mandate this, but maybe my memory
is misleading me.

> > > +codec: cs42l52 at 4a {
> > coding style: Node name should be generic, i.e. codec at 4a.
> Is this a constructive thing from a style point of view?  We're not
> allowed to actually do anything useful with the value at runtime so
> people may as well choose what they like.

This is what ePAPR says and I believe this is reasonable, because looking
at device tree sources you don't need to think what kind of hardware
a cs42l52 is. The information that it's a cs42l52 is still contained
inside compatible string.

Best regards,

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