acpid.battery.sh

   1 #!/bin/sh
   2 # /etc/acpid/actions/battery.sh
   3 # based on work by Frank Dietrich <ablesoft@gmx.de>
   4 #
   5 # Detect AC connector plugged in or unplugged and take appropriate actions.
   6
   7 if [ $# != 1 ]; then
   8         exit 1
   9 fi
  10 set $*
  11
  12 # get the AC connector state from /proc filesystem.
  13 STATE=`sed -n 's/^.*\(off\|on\)-line.*/\1/p' /proc/acpi/ac_adapter/AC/state`
  14
  15 case "$STATE" in
  16         on)
  17                 # AC connector plugged in
  18                 logger "acpid: AC connector plugged in."
  19                 # deactivate standby (spindown) timeout for the drive
  20                 #hdparm -q -S 0 /dev/hda
  21                 # handle processor
  22                 #echo 0 > /proc/acpi/processor/CPU0/throttling
  23                 #echo 0 > /proc/acpi/processor/CPU0/performance
  24                 ;;
  25         off)
  26                 # AC connector unplugged
  27                 logger "acpid: AC connector unplugged."
  28                 # activate standby (spindown) timeout for the drive
  29                 # timeout 5 minutes (man hdparm, for more informations)
  30                 #hdparm -q -S 60 /dev/hda
  31                 # handle processor
  32                 #echo 4 > /proc/acpi/processor/CPU0/throttling
  33                 #echo 3 > /proc/acpi/processor/CPU0/performance
  34                 ;;
  35         *)
  36                 # AC connector in undetermined state
  37                 logger "acpid: Could not determine new AC connector state."
  38                 ;;
  39 esac