Энергосбережение на ноутбуке (видеокарта ATI)

#!/bin/bash

#
# Control script for ACPI lid state and AC adapter state
#

getXuser() {
user=`who| grep -m1 ":$displaynum " | awk '{print $1}'`
if [ x"$user" = x"" ]; then
user=`who| grep -m1 ":$displaynum" | awk '{print $1}'`
fi
if [ x"$user" != x"" ]; then
userhome=`getent passwd $user | cut -d: -f6`
export XAUTHORITY=$userhome/.Xauthority
else
export XAUTHORITY=""
fi
}

aticonfig='/opt/bin/aticonfig'

# default high power state
default_state=`$aticonfig --lsp | grep 'default state' | cut -c 3`

grep -q closed /proc/acpi/button/lid/*/state
if [ $? = 0 ]; then
lid_closed=1
echo "Lid Closed"
else
lid_closed=0
echo "Lid Open"
fi

grep -q off-line /proc/acpi/ac_adapter/*/state

if [ $? = 0 ]; then
echo "On DC"
on_dc=1
else
echo "On AC"
on_dc=0
fi

if [ ${lid_closed} -eq 1 -o ${on_dc} -eq 1 ]; then
echo "Low power"
for x in /tmp/.X11-unix/*; do
displaynum=`echo $x | sed s#/tmp/.X11-unix/X##`
getXuser;
if [ x"$XAUTHORITY" != x"" ]; then
export DISPLAY=":$displaynum"
su $user -c "$aticonfig --set-powerstate=1 --effective=now"
fi
done
else
echo "high power"
for x in /tmp/.X11-unix/*; do
displaynum=`echo $x | sed s#/tmp/.X11-unix/X##`
getXuser;
if [ x"$XAUTHORITY" != x"" ]; then
export DISPLAY=":$displaynum"
su $user -c "$aticonfig --set-powerstate=$default_state --effective=now"
fi
done
fi

core/mem [flags]
-----------------
1: 100/133 MHz [low voltage]
* 2: 401/401 MHz [default state]

Jan 9 15:34:47 sangrebook acpid: executing action "/etc/acpi/ati-powermode.sh"
Jan 9 15:34:48 sangrebook acpid: action exited with status 0

su $user -c "$aticonfig --set-powerstate=$default_state --effective=now"