Re: [PATCH 1/2] ASoC: dt-bindings: imx-card: Add playback-only and capture-only property

[Shengjiu Wang <shengjiu.wang@xxxxxxxxx>]

On Tue, Feb 11, 2025 at 11:32 PM Frank Li <Frank.li@xxxxxxx> wrote:
>
> On Tue, Feb 11, 2025 at 11:57:36AM +0800, Shengjiu Wang wrote:
> > Refer to audio graph card, add playback-only and capture-only property
> > for imx-audio-card.yaml for the case that only playback or capture
> > is supported.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> > ---
> >  .../devicetree/bindings/sound/imx-audio-card.yaml         | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > index f7ad5ea2491e..86571fa930f6 100644
> > --- a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > +++ b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > @@ -46,6 +46,14 @@ patternProperties:
> >          description: see tdm-slot.txt.
> >          $ref: /schemas/types.yaml#/definitions/uint32
> >
> > +      playback-only:
> > +        description: link is used only for playback
> > +        $ref: /schemas/types.yaml#/definitions/flag
> > +
> > +      capture-only:
> > +        description: link is used only for capture
> > +        $ref: /schemas/types.yaml#/definitions/flag
> > +
>
> why not ref to audio-graph-port.yaml?
>
audio-graph-port are based on 'port'. which is not used
in imx-card.  imx-card can't directly refer to audio-graph-port.yaml.

Best regards
Shengjiu Wang

> Frank
>
> >        cpu:
> >          description: Holds subnode which indicates cpu dai.
> >          type: object
> > --
> > 2.34.1
> >