recipes/pandora-system/pandora-scripts/op_gamma.sh

   1 #!/bin/sh
   2
   3 . /usr/pandora/scripts/op_paths.sh
   4
   5 if [ ! -e "$SYSFS_DSS_GAMMA" ]; then
   6   echo "Control file is missing, might be incompatible kernel"
   7   exit 1
   8 fi
   9
  10 gamma="$@"
  11
  12 if [ "$gamma" = "0" ]; then
  13   # set user default gamma
  14   gamma="1"
  15   if [ -f /etc/pandora/conf/dssgamma.state ]; then
  16     dssgamma=$(cat /etc/pandora/conf/dssgamma.state)
  17     dssgamma=$(echo "scale=2;$dssgamma / 100" | bc)
  18     if [ -n "$dssgamma" ]; then
  19       gamma=$dssgamma
  20     fi
  21   fi
  22 fi
  23
  24 if [ "$gamma" = "1" -o "$gamma" = "1.00" ]; then
  25   # no gamma adjustment
  26   echo 0 > $SYSFS_DSS_GAMMA
  27   exit 0
  28 fi
  29
  30 if [ "`which op_gammatable`" = "" ]; then
  31   echo "op_gammatable tool required"
  32   exit 1
  33 fi
  34
  35 # just forward args to op_gammatable
  36 op_gammatable $gamma > $SYSFS_DSS_GAMMA