#!/bin/sh

## syd:/etc/acpi/actions/ac_adapter.sh
#
# Sony Vaio Power Management for ACPI event ac_adapter
#
# Jason R. Blevins <jrblevin@sdf.lonestar.org>
#
# $Id: ac_adapter.sh,v 1.7 2005/01/02 22:23:20 jrblevin Exp $


# Revision History:
#
#  02-Jan-05 17:21      Jason R. Blevins <jrblevin@sdf.lonestar.org>
#    * Removed HDD power management since it is included in
#      laptop_mode
#
#  30-Dec-04 19:21      Jason R. Blevins <jrblevin@sdf.lonestar.org>
#    * Removed references to laptop_mode since Debian now includes
#      it and optionally starts it at boot time
#    * spicctrl is in /usr/bin now
#    * swap is /dev/hda6
#
#  27-May-04 15:56:22   Jason R. Blevins <jrblevin@sdf.lonestar.org>
#    * Always keep printer modules loaded now
#    * Control atd, crond, anacron, smartd, pcmcia
#
#  09-May-04 16:12:55   Jason R. Blevins <jrblevin@sdf.lonestar.org>
#    * Initial version, based on code by Erik Andresen from
#      http://defiant.homedns.org/~erik/Linux-vaio.txt


# AC Adapter Status
AC_ADAPTER=`cat /proc/acpi/ac_adapter/ACAD/state | awk '{print $2}'`

# Program and configuration locations
SPICCTRL=/usr/bin/spicctrl

# System parameters
DC_BRIGHTNESS=50
AC_BRIGHTNESS=255

if [ $1 ]; then
	arg1=$1
else
	arg1="None"
fi

# Status
if [ $arg1 == "status" ]; then
    echo -e "AC Adapter:\t$AC_ADAPTER"
    echo -e "CPU Throttling:\t`cat $CPU_THROTTLING | grep "*" | awk '{print $2}'`"
    echo -e "LCD Brightness:\t`$SPICCTRL -B`"
    exit 0
fi

# Power Management
case $AC_ADAPTER in
    on-line)
	echo "AC-Adapter is present"

	# Display
	setterm -blank 0
	$SPICCTRL -b $AC_BRIGHTNESS

        # Load optional modules
	modprobe -q parport_pc
	modprobe -q lp
	modprobe -q parport

	# Initialize optional services
	/etc/init.d/sysklogd start
	/etc/init.d/pcmcia start
	/etc/init.d/atd start
	/etc/init.d/cron start
	echo
	;;

    off-line)
	echo "Using Batter Power"

	# Reset Display Standby and Brightness
	setterm -blank 3
	$SPICCTRL -b $DC_BRIGHTNESS

	# Unloading optional services
	if [ $arg1 != "start" ]; then	# _not_ running from init
	    /etc/init.d/sysklogd stop
	    /etc/init.d/pcmcia stop
	    /etc/init.d/atd stop
	    /etc/init.d/cron stop
	fi
	
        # Unload optional modules
	modprobe -q -r parport_pc
	modprobe -q -r lp
	modprobe -q -r parport
	;;

    *)
	echo "Unknown Action"
	exit 1
esac

exit 0