From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/Documentation/devicetree/bindings/sound/simple-amplifier.txt |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/kernel/Documentation/devicetree/bindings/sound/simple-amplifier.txt b/kernel/Documentation/devicetree/bindings/sound/simple-amplifier.txt
index 8647eda..b1b097c 100644
--- a/kernel/Documentation/devicetree/bindings/sound/simple-amplifier.txt
+++ b/kernel/Documentation/devicetree/bindings/sound/simple-amplifier.txt
@@ -2,11 +2,16 @@
 
 Required properties:
 - compatible : "dioo,dio2125" or "simple-audio-amplifier"
+
+Optional properties:
 - enable-gpios : the gpio connected to the enable pin of the simple amplifier
+- VCC-supply   : power supply for the device, as covered
+                 in Documentation/devicetree/bindings/regulator/regulator.txt
 
 Example:
 
 amp: analog-amplifier {
 	compatible = "simple-audio-amplifier";
+	VCC-supply = <&regulator>;
 	enable-gpios = <&gpio GPIOH_3 0>;
 };

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