anykernel.sh

# AnyKernel3 Ramdisk Mod Script
# osm0sis @ xda-developers

## AnyKernel setup
# begin properties
properties() { '
kernel.string=
do.devicecheck=1
do.modules=0
do.cleanup=1
do.cleanuponabort=0
device.name1=violet
device.name2=
device.name3=
device.name4=
device.name5=
supported.versions=
supported.patchlevels=
'; } # end properties

INSTALLER=$PWD
block=/dev/block/bootdevice/by-name/boot;
is_slot_device=0;
. tools/ak3-core.sh;
split_boot;

KEYCHECK=$INSTALLER/keycheck
chmod 755 $KEYCHECK

keytest() {
  (/system/bin/getevent -lc 1 2>&1 | /system/bin/grep VOLUME | /system/bin/grep " DOWN" > $INSTALLER/events) || return 1
  return 0
}

choose() {
  #note from chainfire @xda-developers: getevent behaves weird when piped, and busybox grep likes that even less than toolbox/toybox grep
  while true; do
    /system/bin/getevent -lc 1 2>&1 | /system/bin/grep VOLUME | /system/bin/grep " DOWN" > $INSTALLER/events
    if (`cat $INSTALLER/events 2>/dev/null | /system/bin/grep VOLUME >/dev/null`); then
      break
    fi
  done
  if (`cat $INSTALLER/events 2>/dev/null | /system/bin/grep VOLUMEUP >/dev/null`); then
    return 0
  else
    return 1
  fi
}

chooseold() {
  # Calling it first time detects previous input. Calling it second time will do what we want
  $KEYCHECK
  $KEYCHECK
  SEL=$?
  if [ "$1" == "UP" ]; then
    UP=$SEL
  elif [ "$1" == "DOWN" ]; then
    DOWN=$SEL
  elif [ $SEL -eq $UP ]; then
    return 0
  elif [ $SEL -eq $DOWN ]; then
    return 1
  else
    ui_print "   Vol key not detected!"
    abort "   Use name change method in TWRP"
  fi
}

ui_print " "
if [ -z $NEW ]; then
  if keytest; then
    FUNCTION=choose
  else
    FUNCTION=chooseold
    ui_print " "
    ui_print "- Vol Key Programming -"
    ui_print "   Press Volume Up Key: "
    $FUNCTION "UP"
    ui_print "   Press Volume Down Key: "
    $FUNCTION "DOWN"
  fi
  ui_print " "
  ui_print "- Select Option -"
  ui_print "   Choose the refresh rate you want:"
  ui_print "   Volume Up = 66hz, Volume Down = 60hz"
  if $FUNCTION; then
    NEW=true
  else
    NEW=false
  fi
else
  ui_print "   Option specified in zipname!"
fi

if $NEW; then
  flash_dtbo 66
else
  flash_dtbo 60
fi