[PATCH v4 1/9] ASoC: dt-bindings: samsung,midas-audio: Add headset mic bias supply

[Artur Weber <aweber.kernel@xxxxxxxxx>]

Some devices use a separate mic bias supply (also referred to as
"ear mic bias") to enable/disable the headset mic.

Add the DT property headset-mic-bias-supply to allow for specifying
this supply.

Signed-off-by: Artur Weber <aweber.kernel@xxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
index 6ec80f529d84..6ed53dd0bb53 100644
--- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
@@ -53,6 +53,9 @@ properties:
   submic-bias-supply:
     description: Supply for the micbias on the Sub microphone
 
+  headset-mic-bias-supply:
+    description: Supply for the micbias on the Headset microphone
+
   fm-sel-gpios:
     maxItems: 1
     description: GPIO pin for FM selection

-- 
2.45.1