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Text File  |  2009-10-06  |  1KB  |  47 lines
  1. #! /bin/sh
  2. # 
  3. # Laptop mode tools module: selectively disable video outputs
  4. #
  5.  
  6. do_xrandr () {
  7.       w -hs | while read -r USER TTY DISPLAY REMAINDER; do    
  8.           if [ "${DISPLAY#:}" != "$DISPLAY" ] ; then
  9.               # It's an X display.
  10.               if su $USER -c "xrandr --output $1 --$2" 2>> $OUTPUT | grep -q display >> $OUTPUT 2>&1 ; then
  11.                 $LM_VERBOSE && echo "Unable to set video output $1 to $2." >> $OUTPUT
  12.             else 
  13.                 $LM_VERBOSE && echo "Set video output $1 to $2" >> $OUTPUT
  14.             fi
  15.         fi
  16.         done
  17. }
  18.  
  19. if [ x$CONTROL_VIDEO_OUTPUTS = x1 ] ; then
  20.     if [ $ON_AC -eq 1 ]; then
  21.         if [ "$ACTIVATE" -eq 1 ]; then
  22.             DISABLE_VIDEO_OUTPUTS="$LM_AC_THROTTLE_ETHERNET"
  23.         else
  24.             DISABLE_VIDEO_OUTPUTS="$NOLM_AC_THROTTLE_ETHERNET"
  25.         fi
  26.     else
  27.         DISABLE_VIDEO_OUTPUTS="$BATT_THROTTLE_ETHERNET"
  28.     fi
  29.  
  30.     if [ -f /var/run/laptop-mode-tools/disabled-video-outputs ] ; then
  31.         cat /var/run/laptop-mode-tools/disabled-video-outputs |
  32.             while read VIDEO_OUTPUT REMAINDER ; do
  33.                 do_xrandr $VIDEO_OUTPUT auto
  34.             done
  35.     fi
  36.             
  37.     rm -f /var/run/laptop-mode-tools/disabled-video-outputs
  38.     
  39.     for VIDEO_OUTPUT in $DISABLE_VIDEO_OUTPUTS ; do
  40.         echo $VIDEO_OUTPUT >> /var/run/laptop-mode-tools/disabled-video-outputs
  41.         
  42.         do_xrandr $VIDEO_OUTPUT off
  43.     done
  44. else
  45.     $LM_VERBOSE && echo "video-out module is disabled." >> $OUTPUT
  46. fi
  47.