From: Imre Kaloz <kaloz@openwrt.org>
Date: Tue, 31 Mar 2015 19:12:27 +0000 (+0000)
Subject: mvebu: deal with the new path in the fan control script for Linux 4.0+
X-Git-Tag: reboot~3542
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=b9c4dadc11e5ddd956d683b9fc97db69598c7c68

mvebu: deal with the new path in the fan control script for Linux 4.0+

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 45195
---

diff --git a/target/linux/mvebu/base-files/sbin/fan_ctrl.sh b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
index f7f4e0598d..06e462119d 100755
--- a/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
+++ b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
@@ -11,10 +11,18 @@ DDR_HIGH=75
 WIFI_LOW=100
 WIFI_HIGH=115
 
+if [ -d /sys/devices/pwm_fan ];then
+	FAN_CTRL=/sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+elif [ -d /sys/devices/platform/pwm_fan ];then
+	FAN_CTRL=/sys/devices/platform/pwm_fan/hwmon/hwmon0/pwm1
+else
+	exit 0
+fi
+
 if [ "$CPU_TEMP" -ge "$CPU_HIGH" -o "$DDR_TEMP" -ge "$DDR_HIGH" -o "$WIFI_TEMP" -ge "$WIFI_HIGH" ];then
-	echo "255" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+	echo "255" > $FAN_CTRL
 elif [ "$CPU_TEMP" -ge "$CPU_LOW" -o "$DDR_TEMP" -ge "$DDR_LOW" -o "$WIFI_TEMP" -ge "$WIFI_LOW" ];then
-	echo "100" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+	echo "100" > $FAN_CTRL
 else
-	echo "0" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+	echo "0" > $FAN_CTRL
 fi