lenovo-x220-linuxacpi/etc/acpi/actions/btn-vga.sh

   1 #! /bin/sh
   2
   3 . /usr/local/bin/getXenv.inc
   4
   5 STATEFILE="/var/run/vgastate"
   6 LVDS1_defaultmode="1366x768"
   7
   8 function vgaoff
   9 {
  10         logger "Turn external video off, putting LVDS1 to standard setup"
  11         xrandr --output VGA1 --off \
  12                 --output HDMI2 --off \
  13                 --output LVDS1 --primary --mode $LVDS1_defaultmode --scale 1x1
  14         echo "vgaoff" > $STATEFILE
  15 }
  16
  17 function vgamirror
  18 {
  19         logger "Mirror LVDS1 to $1"
  20         xrandr --output $1 --primary --auto \
  21                 --output LVDS1 --mode 1024x768 --same-as VGA1
  22         echo "vgamirror" > $STATEFILE
  23 }
  24
  25 function vgarightof
  26 {
  27         logger "Putting $1 right of of LVDS1"
  28         xrandr --output LVDS1 --primary --auto --mode $LVDS1_defaultmode \
  29                 --output $1 --auto --right-of LVDS1
  30         echo "vgarightof" > $STATEFILE
  31 }
  32
  33 function vgaleftof
  34 {
  35         logger "Putting $1 left of of LVDS1"
  36         xrandr --output LVDS1 --primary --auto --mode $LVDS1_defaultmode \
  37                 --output $1 --auto --left-of LVDS1
  38         echo "vgaleftof" > $STATEFILE
  39 }
  40
  41
  42 extconn=""
  43 xrandr | grep "VGA1 connected" && extconn="VGA1"
  44 xrandr | grep "HDMI2 connected" && extconn="HDMI2"
  45
  46 if [ -n "$extconn" ]; then
  47         case `cat $STATEFILE 2> /dev/null` in
  48
  49                 vgarightof)
  50                         vgaleftof $extconn
  51                         exit 0
  52                 ;;
  53
  54                 vgaleftof)
  55                         vgamirror $extconn
  56                         exit 0
  57                 ;;
  58
  59
  60                 vgamirror)
  61                         vgaoff
  62                         exit 0
  63                 ;;
  64
  65                 *)
  66                         vgarightof $extconn
  67                         exit 0
  68                 ;;
  69         esac
  70 else
  71         vgaoff
  72 fi