#!/bin/sh

############################
## Author: mirza          ## 
## /etc/scripts/standby   ##
##                        ##
## TestEnvironment:       ##
## - IBM X31              ##
## - X-driver=VESA        ##
## - kernel 2.6.5         ##
############################

############################
## start SUSPEND TO RAM   ##
############################
# change to VT1
chvt 1

# Unmount any NFS or SMB filesystems:
umount -a -r -t nfs,smbfs

# bluetooth off
hciconfig hci0 down

# remove modules
rmmod ipw2100    ## WLAN
rmmod psmouse    ## mouse
rmmod ehci-hcd   ## USB module
rmmod uhci-hcd   ##  -||-
rmmod ohci-hcd   ##  -||-

# update the disk super block
sync

# wait a second
sleep 1

# turn the LCD off
radeontool light off

# suspend to ram
echo -n mem > /sys/power/state


############################
## resume from SUSPEND    ##
############################
# wait 2 seconds to avoid double
# or longe pressing of power button
sleep 2

# set system time to hardware clock
hwclock --hctosys

# load modules
modprobe psmouse    # mouse module 

# don't load ipw2100. I'll load
# it manually if I need it
# modprobe ipw2100   # WLAN module

# turn the LCD on
radeontool light on

# go back to VT7 (X)
chvt 7

# /tmp/standby_state file will be created to be able
# to avoid catching "LOCK" state by lightwatch.pl
# see lightwatch.pl for details. if /tmp/standby_state
# exists, lightwatch.pl will not react on this command
touch /tmp/standby_state
xscreensaver-command -lock 2> /dev/null 1> /dev/null
rm /tmp/standby_state

# start laptop mode if ac-adapter was
# plugged out during the suspend mode
# although linux should also do this
# during standby mode
. /etc/acpi/acpi_handler.sh battery BAT0 2> /dev/null 1> /dev/null

########### END ###########