From cdc62933b08ae2389bc80170c2268500b194b056 Mon Sep 17 00:00:00 2001
From: wdc <wdc@rock-chips.com>
Date: Tue, 5 Aug 2014 11:52:22 +0800
Subject: [PATCH] rk312x: overwrite adc channel

---
 arch/arm/boot/dts/rk3126-sdk.dts  |  4 ++++
 arch/arm/boot/dts/rk312x-sdk.dtsi | 10 +++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/rk3126-sdk.dts b/arch/arm/boot/dts/rk3126-sdk.dts
index 5b89f30b48e5..5656091db289 100755
--- a/arch/arm/boot/dts/rk3126-sdk.dts
+++ b/arch/arm/boot/dts/rk3126-sdk.dts
@@ -23,3 +23,7 @@
 		};
 	};
 };
+
+&key {
+		io-channels = <&adc 2>;
+};
\ No newline at end of file
diff --git a/arch/arm/boot/dts/rk312x-sdk.dtsi b/arch/arm/boot/dts/rk312x-sdk.dtsi
index ec6f732bebd7..d1545aeb2208 100755
--- a/arch/arm/boot/dts/rk312x-sdk.dtsi
+++ b/arch/arm/boot/dts/rk312x-sdk.dtsi
@@ -71,20 +71,20 @@
 &adc {
 	status = "okay";
 
-	key {
+	key: key {
 		compatible = "rockchip,key";
 		io-channels = <&adc 1>;
 
 		vol-up-key {
 			linux,code = <115>;
 			label = "volume up";
-			rockchip,adc_value = <1>;
+			rockchip,adc_value = <327>;
 		};
 
 		vol-down-key {
 			linux,code = <114>;
 			label = "volume down";
-			rockchip,adc_value = <170>;
+			rockchip,adc_value = <426>;
 		};
 
 		power-key {
@@ -97,7 +97,7 @@
 		menu-key {
 			linux,code = <59>;
 			label = "menu";
-			rockchip,adc_value = <355>;
+			rockchip,adc_value = <1>;
 		};
 
 		home-key {
@@ -109,7 +109,7 @@
 		back-key {
 			linux,code = <158>;
 			label = "back";
-			rockchip,adc_value = <560>;
+			rockchip,adc_value = <103>;
 		};
 
 		camera-key {
-- 
2.34.1