[PATCH 1/3] ASoC: dt-bindings: wcd93xx: add bindings for audio switch controlling hp

[srinivas . kandagatla]

From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>

On some platforms to minimise pop and click during switching between
CTIA and OMTP headset an additional HiFi Switch is used. Most common
case is that this switch is switched on by default, but on some
platforms this needs a regulator enable.

This patch adds required bindings to add such regulator.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
 .../devicetree/bindings/sound/qcom,wcd93xx-common.yaml        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd93xx-common.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd93xx-common.yaml
index f78ba148ad25..fa00570caf24 100644
--- a/Documentation/devicetree/bindings/sound/qcom,wcd93xx-common.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd93xx-common.yaml
@@ -26,6 +26,10 @@ properties:
   vdd-mic-bias-supply:
     description: A reference to the 3.8V mic bias supply
 
+  vdd-hp-switch-supply:
+    description: A reference to the audio switch supply
+      for switching CTIA/OMTP Headset
+
   qcom,tx-device:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     description: A reference to Soundwire tx device phandle
-- 
2.39.5