linux-kernel - [PATCH] ASoC: dt-bindings: dai-common: Narrow possible sound-dai-cells

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Date: Tue,  9 Jan 2024 22:38:12 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jerome Brunet <jbrunet@...libre.com>,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] ASoC: dt-bindings: dai-common: Narrow possible sound-dai-cells

Instead of accepting any value for sound-dai-cells, the common DAI
properties schema should narrow them to sane choice.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Mostly sound-dai-cells are 0 or 1, but
Documentation/devicetree/bindings/sound/amlogic,aiu.yaml has value of 2.
---
 Documentation/devicetree/bindings/sound/dai-common.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/dai-common.yaml b/Documentation/devicetree/bindings/sound/dai-common.yaml
index 1aed2f0f1775..6db35887cbe6 100644
--- a/Documentation/devicetree/bindings/sound/dai-common.yaml
+++ b/Documentation/devicetree/bindings/sound/dai-common.yaml
@@ -13,6 +13,7 @@ allOf:
   - $ref: component-common.yaml#
 
 properties:
-  '#sound-dai-cells': true
+  '#sound-dai-cells':
+    enum: [0, 1, 2]
 
 additionalProperties: true
-- 
2.34.1