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authorImre Kaloz <kaloz@openwrt.org>2015-01-26 20:41:43 +0000
committerImre Kaloz <kaloz@openwrt.org>2015-01-26 20:41:43 +0000
commit972635a5d38fb59555c2e6147e2681adf6adddde (patch)
treec15a0f42b68037ac8855a03aeff0e5dd4786e166 /target
parent795328ec8e5b4edf7e22e9d7902e7d56205a1fb4 (diff)
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mvebu: temporary el cheapo' fan control script
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44153 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
-rw-r--r--target/linux/mvebu/base-files/etc/crontabs/root1
-rwxr-xr-xtarget/linux/mvebu/base-files/sbin/fan_ctrl.sh20
2 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/mvebu/base-files/etc/crontabs/root b/target/linux/mvebu/base-files/etc/crontabs/root
new file mode 100644
index 0000000000..e692f578bb
--- /dev/null
+++ b/target/linux/mvebu/base-files/etc/crontabs/root
@@ -0,0 +1 @@
+*/5 * * * * /sbin/fan_ctrl.sh
diff --git a/target/linux/mvebu/base-files/sbin/fan_ctrl.sh b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
new file mode 100755
index 0000000000..f7f4e0598d
--- /dev/null
+++ b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+CPU_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon2/temp1_input`
+DDR_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon1/temp1_input`
+WIFI_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon1/temp2_input`
+
+CPU_LOW=85
+CPU_HIGH=95
+DDR_LOW=65
+DDR_HIGH=75
+WIFI_LOW=100
+WIFI_HIGH=115
+
+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
+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
+else
+ echo "0" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+fi