[PATCHv2 4/6] ASoC: simple-card: add sound-widgets usage

[Xiubo Li]

Signed-off-by: Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/simple-card.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
index e9e20ec..01eb2d0 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.txt
+++ b/Documentation/devicetree/bindings/sound/simple-card.txt
@@ -15,6 +15,10 @@ Optional properties:
 					  Each entry is a pair of strings, the first being the
 					  connection's sink, the second being the connection's
 					  source.
+- sound-widgets				: The name of the audio card's off-CODEC widgets. If the
+					  audio card need the off-CODEC widgets, the card driver
+					  should register its widgets with one specified name:
+					  "XXXX", and in dt node the sound-widgets = "XXXX".
 
 Required subnodes:
 
@@ -42,6 +46,7 @@ Example:
 
 sound {
 	compatible = "simple-audio-card";
+	sound-widgets = "widgets"
 	simple-audio-card,format = "left_j";
 	simple-audio-routing =
 		"MIC_IN", "Mic Jack",
-- 
1.8.4


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