Re: ASoC: About graph node issue without 'reg' property

From: Kunihiko Hayashi
Date: Thu Dec 13 2018 - 21:14:04 EST


Hi Morimoto-san, Mark,

On Fri, 14 Dec 2018 09:05:02 +0900 <kuninori.morimoto.gx@xxxxxxxxxxx> wrote:

>
> Hi Hayashi-san
>
> Sorry for my buggy patch.
> I and Tony could confirm that my posted patch can solve
> this issue. I will re-post it again as v3 patch-series.
> I'm happy if you can test it (and give it Tested-by).
>
> https://patchwork.kernel.org/patch/10727943/

Thank you for your great effort, and sorry my cross-post before your RFC patch
because I didn't catch it.

I confirmed your RFC patch solved the issue.
I'll also test your v3 patch-series on my environment.

> > [1 <text/plain; us-ascii (quoted-printable)>]
> > On Thu, Dec 13, 2018 at 04:24:28PM +0000, Mark Brown wrote:
> > > On Thu, Dec 13, 2018 at 07:39:45PM +0900, Kunihiko Hayashi wrote:
> > >
> > > > Maybe I think that we'd better add 'reg' properties to each port,
> > > > however, there might be same matter in other SoCs, so I'm not sure
> > > > whether your patch breaks the backword compatibility or
> > > > our devicetrees are wrong.
> >
> > > > I'd be glad if I could hear something about this issue from you.
> >
> > > There's an ongoing thread between Morimoto-san and Tony Lindgren around
> > > the graph card including this issue, there Morimoto-san proposed some
> > > code which would let the reg property be optional. Device trees should
> > > still be updated but that way we wouldn't actually break anything which
> > > would be good.

Yes. It's desiable to add the reg property in spite of the fixes.
I'll update our devicetrees.

Thank you,

> >
> > There's a patch now - "[PATCH][RFC] ASoC: simple-card-utils: fixup
> > asoc_simple_card_get_dai_id() ID method".
> > [2 signature.asc <application/pgp-signature (7bit)>]
> > No public key for 24D68B725D5487D0 created at 2018-12-14T03:27:38+0900 using RSA


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Best Regards,
Kunihiko Hayashi