#!/bin/bash
#based on Pete Eberlein's asus1215n.sh script
#modified by Csaba Szobonya(csaba2@citromail.hu)


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

acpi_call () {
    echo "$*" > /proc/acpi/call
    cat /proc/acpi/call
}

#echo _PS0 $(acpi_call "\_SB.PCI0.P0P4.GFX0._PS0")
#echo P3MO $(acpi_call "\_SB.PCI0.P0P4.GFX0.P3MO")
#echo DGPS $(acpi_call "\_SB.PCI0.P0P4.GFX0.DGPS")
echo _DSM $(acpi_call "\_SB.PCI0.P0P4.GFX0._DSM {0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0} 0x100 0x1A {0x1,0x0,0x0,0x3}")
# acpi_call returns :
# Buffer {0x59 0x0 0x0 0x11} : card ready to turn off
# Buffer {0x41 0x0 0x0 0x11} : card already off
echo _PS3 $(acpi_call "\_SB.PCI0.P0P4.GFX0._PS3")



PSC=$(acpi_call "\_SB.PCI0.P0P4.GFX0._PSC")
echo _PSC ${PSC}
case "$PSC" in
0x0)
    PSC="on"
	echo "Error: acpi_call failed..."
	echo "Leaving nvidia card turned on!"
;;
0x3)
rmmod nvidia
if lsmod | grep -q nvidia; then
echo "Error: could not unload nvidia module, leaving card turned on"
exit
fi
    
;;
esac