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-rw-r--r--Documentation/devicetree/bindings/sound/simple-card.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
index c2e9841dfce4..c3cba600bf11 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.txt
+++ b/Documentation/devicetree/bindings/sound/simple-card.txt
@@ -17,6 +17,10 @@ Optional properties:
source.
- simple-audio-card,mclk-fs : Multiplication factor between stream rate and codec
mclk.
+- simple-audio-card,hp-det-gpio : Reference to GPIO that signals when
+ headphones are attached.
+- simple-audio-card,mic-det-gpio : Reference to GPIO that signals when
+ a microphone is attached.
Optional subnodes: