target/linux/kirkwood/base-files/etc/init.d/hwmon_fancontrol

   1 #!/bin/sh /etc/rc.common
   2
   3 START=98
   4
   5 boot() {
   6         # configuring (lm85/lm63) onboard temp/fan controller to run the fan on its own
   7         # for more information, please read https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
   8
   9         case $(board_name) in
  10         iom,ix2-200)
  11                 path_to_hwmon='/sys/class/hwmon/hwmon0'
  12                 echo 2 > "$path_to_hwmon/pwm1_enable" # fan is on pwm1
  13                 ;;
  14         zyxel,nsa310b)
  15                 path_to_hwmon='/sys/devices/platform/ocp@f1000000/f1011000.i2c/i2c-0/0-002e/hwmon/hwmon0'
  16                 echo 2 > "$path_to_hwmon/pwm1_enable" # fan is on pwm1
  17                 echo 1 > "$path_to_hwmon/pwm1_auto_channels" # temp1 is the only one that changes
  18                 echo 23000 > "$path_to_hwmon/temp1_auto_temp_min"
  19                 echo 43000 > "$path_to_hwmon/temp1_auto_temp_max" # next step is 49600 millicelsius, or 50 celsius, 43 celsius is better
  20                 ;;
  21         esac
  22 }