target/linux/kirkwood/base-files/etc/init.d/nsa310_fancontrol

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