linux-kernel - [PATCH 1/2] ASoC: dt-bindings: renesas, rsnd: Clear warning 'dais' is a required property

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Date:   Tue, 30 Mar 2021 11:06:30 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        alsa-devel <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Subject: [PATCH 1/2] ASoC: dt-bindings: renesas, rsnd: Clear warning 'dais' is a required property

When I do dt_binding_check, below warning is reported:
Documentation/devicetree/bindings/sound/renesas,rsnd.example.dt.yaml: \
sound@...00000: 'dais' is a required property

I looked at all the dts files in the "arch/arm64/boot/dts/renesas/"
directory, I found that all nodes that contain the "dais" property have
compatible string: "audio-graph-card". So I can be sure that the
"$ref: audio-graph.yaml#" should be corrected to
"$ref: audio-graph-card.yaml#".

In addition, not all nodes have compatible string "audio-graph-card", so
the "$ref: audio-graph-card.yaml#" should be described as "anyOf". To
ensure the validation of "anyOf" always passes, group it with the "if"
statement, because the result of the "if" statement is always not empty.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 Documentation/devicetree/bindings/sound/renesas,rsnd.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
index 2e1046513603ed0..487aeabd1f0e65b 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
@@ -256,8 +256,10 @@ required:
   - "#sound-dai-cells"
 
 allOf:
-  - $ref: audio-graph.yaml#
   - $ref: audio-graph-port.yaml#
+
+anyOf:
+  - $ref: audio-graph-card.yaml#
   - if:
       properties:
         compatible:
-- 
1.8.3