target/linux/mvebu/base-files/sbin/fan_ctrl.sh

   1 #!/bin/sh
   2
   3 CPU_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon2/temp1_input`
   4 DDR_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon1/temp1_input`
   5 WIFI_TEMP=`cut -c1-2 /sys/class/hwmon/hwmon1/temp2_input`
   6
   7 CPU_LOW=85
   8 CPU_HIGH=95
   9 DDR_LOW=65
  10 DDR_HIGH=75
  11 WIFI_LOW=100
  12 WIFI_HIGH=115
  13
  14 if [ "$CPU_TEMP" -ge "$CPU_HIGH" -o "$DDR_TEMP" -ge "$DDR_HIGH" -o "$WIFI_TEMP" -ge "$WIFI_HIGH" ];then
  15         echo "255" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
  16 elif [ "$CPU_TEMP" -ge "$CPU_LOW" -o "$DDR_TEMP" -ge "$DDR_LOW" -o "$WIFI_TEMP" -ge "$WIFI_LOW" ];then
  17         echo "100" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
  18 else
  19         echo "0" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
  20 fi