#!/bin/sh

# discover video card's ID
ID=`lspci | grep VGA | awk '{ print $1 }' | sed -e 's@0000:@@' -e 's@:@/@'`

# securely create a temporary file
TMP_FILE=`mktemp /var/tmp/video_state.XXXXXX`
trap 'rm -f $TMP_FILE' 0 1 15

# write all unwritten data (just in case)
sync

# Unmount all removable media
for p in $(ls /dev/disk/by-id/usb* | grep "\-part"); do
    umount ${p}
done

# dump current data from the video card to the
# temporary file
cat /proc/bus/pci/$ID > $TMP_FILE

# Stopping network.
# Sony VAIO PCG-Z505RX and PCMCIA Linksys wifi card
/etc/rc.d/init.d/network stop

echo "Entering suspend mode"

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

echo "Resuming"

# restore video card data from the temporary file
# on resume
cat $TMP_FILE > /proc/bus/pci/$ID

/etc/rc.d/init.d/network start

# remove temporary file
rm -f $TMP_FILE