#!/bin/bash
# This script should contain the command(s) necessary to switch off the
# nVidia card.
# This is a template script.
#
# Please note that the acpi_call module is need for these operations:
# http://linux-hybrid-graphics.blogspot.com/2010/07/using-acpicall-module-to-switch-onoff.html

green="\e[1;32m"
red="\e[1;31m"
blue="\e[1;34m"
null="\e[m"
columns=80

offset1="\e[${columns}C"
let "columns2 = columns - 2"
offset2="\e[${columns2}C"

echo -en " ${blue}*${null} Withdrawing driver..."
rmmod nvidia
sleep 0.3
lsmod | grep -q nvidia
if [ $? -eq 0 ]  ; then
  echo -e "${offset2}[${red}FAIL${null}]"
  echo "Error: could not unload nvidia module, leaving card turned on" 1>&2
  exit
else
  echo -e "${offset2}[ ${green}OK${null} ]"
fi

modprobe acpi_call
if ! lsmod | grep -q acpi_call; then
   echo "Error: acpi_call module not loaded" 1>&2
   exit
fi

acpi_call () {
   echo "$*" > /proc/acpi/call
   result=$(cat /proc/acpi/call)
   case "$result" in
    Error*)
     echo "Disabling nVidia card failed (${result})."
     ;;
    *)
     echo "Disabling nVidia card succeeded."
    ;;
   esac
}

echo -en " ${blue}*${null} Doing ACPI calls..."

#INSERTPOWEROFF
# echo _OFF $(acpi_call "\_SB.PCI0.PEG0.PEGP._OFF")
log=$(acpi_call "\_SB.PCI0.PEG0.PEGP._PS3")

if [ $? -eq 0 ] ; then
  echo -e "${offset1}[ ${green}OK${null} ]"
else
  echo -e "${offset1}[${red}FAIL${null}]"
  echo $log 1>&2
fi
unset red green blue null columns columns2 offset1 offset2 log