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-rw-r--r--Documentation/devicetree/bindings/sound/rt5682.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index cd8c53d8497e..c5f2b8febcee 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -46,6 +46,8 @@ Optional properties:
- realtek,dmic-clk-driving-high : Set the high driving of the DMIC clock out.
+- #sound-dai-cells: Should be set to '<0>'.
+
Pins on the device (for linking into audio routes) for RT5682:
* DMIC L1