if [ -e ~/.lenovo-override-input-volume ]; then
   echo "not first time!"
else
   find /sys/devices/virtual/sound/ -iname subsystem_id | xargs cat | grep "0x17aa503c"
   
   if [ $? -eq 0 ]; then
      pactl set-source-volume 2 30000
   fi

   find /sys/devices/virtual/sound/ -iname subsystem_id | xargs cat | grep "0x17aa5034"
   
   if [ $? -eq 0 ]; then
      pactl set-source-volume 2 30000
   fi


   find /sys/devices/ -iname subsystem_id | xargs cat | grep "0x17aa2223"
   
   if [ $? -eq 0 ]; then
      pactl set-source-volume 2 30000
   fi

   touch ~/.lenovo-override-input-volume
fi
