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mvebu: temporary el cheapo' fan control script

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

SVN-Revision: 44153
This commit is contained in:
Imre Kaloz 2015-01-26 20:41:43 +00:00
parent 3483c76084
commit 7be967e954
2 changed files with 21 additions and 0 deletions
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1
target/linux/mvebu/base-files/etc/crontabs/root Normal file
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*/5 * * * * /sbin/fan_ctrl.sh

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target/linux/mvebu/base-files/sbin/fan_ctrl.sh Executable file
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#!/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