Lakka-LibreELEC/projects/L4T/packages/busybox/scripts/getedid-drm

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2021-present Team LibreELEC (https://libreelec.tv)

usage() {
  echo "$0 create|delete|help"
}

delete_edid() {
  update-bootloader-edid delete
  if [ $? -eq 0 ]; then
    echo "successfully removed edid override"
  else
    echo "error removing bootloader edid-override options"
    exit 1
  fi
}

create_edid() {
  CONNECTORS=$(dump-active-edids -q)
  if [ $? -ne 0 -o -z "${CONNECTORS}" ]; then
    echo "error: cannot detemine active connectors"
    exit 1
  fi
  create-edid-cpio -q
  if [ $? -ne 0 ]; then
    echo "error creating edid.cpio"
    exit 1
  fi
  update-bootloader-edid set ${CONNECTORS}
  if [ $? -eq 0 ]; then
    echo "successfully installed edid override for ${CONNECTORS}"
  else
    echo "error setting bootloader edid-override options"
    exit 1
  fi
}

case $1 in
  create)
    shift
    create_edid "$@"
    ;;
  delete)
    delete_edid
    ;;
  help)
    usage
    ;;
  *)
    usage
    exit 1
    ;;
esac