#!/bin/sh
#
# This script makes longrun change the cpu speed depending on whether
# the AC adapter is connected or not. Also it adapts the screen bright-
# ness, and it makes xscreensaver demanding less power.
# Created for Sony Vaio PCG-C1MHP, by Kryz. http://kryz.org/vaio.html for
# more information.

status=`sed "s/stat.*: *//i" /proc/acpi/ac_adapter/ACAD/state`

# Here the user running xscreensaver is determined. Make sure that
# "xscreensaver -nosplash" is not found more than once in "ps", otherwise
# the variable will not work.

xscruser=`ps auxw | grep "xscreensaver -nosplash" | grep -v grep | awk '{print }'`

case $status in
        "on-line"       )       /usr/bin/longrun -s 0 100
                                /usr/bin/longrun -f performance
                                su $xscruser "/usr/bin/xscreensaver-command -unthrottle" 
                                for CNT in `seq 50 5 255`
                                do
                                  /usr/bin/spicctrl -b $CNT
                                  /bin/sleep 0.01
                                done
                                exit 0
                                ;;
        "off-line"      )       for CNT in `seq 255 -5 50`
                                do
                                  /usr/bin/spicctrl -b $CNT
                                  /bin/sleep 0.01
                                done
                                /usr/bin/longrun -s 0 33
                                /usr/bin/longrun -f economy
                                su $xscruser "/usr/bin/xscreensaver-command -throttle"
                                exit 0
                                ;;
esac

echo "Something bad happened!"
exit 1