openwrt/target/linux/brcm2708/patches-4.19/950-0155-hwmon-adjust-rpi-poe-fan-overlay-trip-points.patch

From 018b90a28a06e351dc67db043e9889eeed33120c Mon Sep 17 00:00:00 2001
From: Serge Schneider <serge@raspberrypi.org>
Date: Wed, 26 Sep 2018 19:44:59 +0100
Subject: [PATCH] hwmon: adjust rpi-poe-fan overlay trip points

Signed-off-by: Serge Schneider <serge@raspberrypi.org>
---
 .../arm/boot/dts/overlays/rpi-poe-overlay.dts | 26 +++++++------------
 1 file changed, 9 insertions(+), 17 deletions(-)

--- a/arch/arm/boot/dts/overlays/rpi-poe-overlay.dts
+++ b/arch/arm/boot/dts/overlays/rpi-poe-overlay.dts
@@ -14,9 +14,9 @@
 				compatible = "raspberrypi,rpi-poe-fan";
 				firmware = <&firmware>;
 				cooling-min-state = <0>;
-				cooling-max-state = <3>;
+				cooling-max-state = <2>;
 				#cooling-cells = <2>;
-				cooling-levels = <0 50 150 255>;
+				cooling-levels = <0 150 255>;
 				status = "okay";
 			};
 		};
@@ -26,35 +26,27 @@
 		target = <&cpu_thermal>;
 		__overlay__ {
 			trips {
-				threshold: trip-point@0 {
-					temperature = <45000>;
-					hysteresis = <5000>;
-					type = "active";
-				};
-				target: trip-point@1 {
+				trip0: trip0 {
 					temperature = <50000>;
-					hysteresis = <2000>;
+					hysteresis = <5000>;
 					type = "active";
 				};
-				cpu_hot: cpu_hot@0 {
+				trip1: trip1 {
+
 					temperature = <55000>;
-					hysteresis = <2000>;
+					hysteresis = <5000>;
 					type = "active";
 				};
 			};
 			cooling-maps {
 				map0 {
-					trip = <&threshold>;
+					trip = <&trip0>;
 					cooling-device = <&fan0 0 1>;
 				};
 				map1 {
-					trip = <&target>;
+					trip = <&trip1>;
 					cooling-device = <&fan0 1 2>;
 				};
-				map2 {
-					trip = <&cpu_hot>;
-					cooling-device = <&fan0 2 3>;
-				};
 			};
 		};
 	};