#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2020-present Shanti Gilbert (https://github.com/shantigilbert)
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)

# Source predefined functions and variables
. /etc/profile

DEVICE_HEADPHONE_DEV="/sys/devices/platform/rk-headset/extcon/extcon3/state"

while true
do
  HEADPHONE_STATE=$(awk 'BEGIN {FS="="} /HEADPHONE/ {print $2}' ${DEVICE_HEADPHONE_DEV})
  if [ ! "${HEADPHONE_STATE}" = "${PREV_STATE}" ]
  then
    case ${HEADPHONE_STATE} in
      0)
        amixer -c 0 cset name='Playback Path' ${DEVICE_PLAYBACK_PATH_SPK} >/dev/null 2>&1
        amixer -c 0 cset name='MUTE' 1 >/dev/null 2>&1
        amixer -c 0 cset name='MUTE' 0 >/dev/null 2>&1
      ;;
      1)
        amixer -c 0 cset name='Playback Path' ${DEVICE_PLAYBACK_PATH_HP} >/dev/null 2>&1
        amixer -c 0 cset name='MUTE' 1 >/dev/null 2>&1
        amixer -c 0 cset name='MUTE' 0 >/dev/null 2>&1
      ;;
    esac
  fi
  PREV_STATE=${HEADPHONE_STATE}
  sleep 1
done