distribution/packages/jelos/sources/autostart/common/005-alsa

#!/bin/bash
# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2021-present Fewtarius (https://github.com/fewtarius)

. /etc/profile

### Temporary device quirk for VCS
if [ -e "/usr/sbin/dmidecode" ] && \
   [ ! -e "/storage/.config/modprobe.d/alsa-base.conf" ]
then
  THIS_DEVICE="$(/usr/sbin/dmidecode -s system-product-name)"
  if [[ "${THIS_DEVICE}" =~ ^VCS ]]
  then
    if [ ! -d "/storage/.config/modprobe.d/" ]
    then
      mkdir -p /storage/.config/modprobe.d
    fi
    touch /storage/.config/modprobe.d/alsa-base.conf
    set-audio "DEFAULT HDMI"
    reboot
  fi
fi

if [ ! -e "/storage/.config/asound.conf" ]
then
  set-audio "DEFAULT (SYSTEM PROVIDED)"
fi

if [ ! -e "/storage/.config/asound.state" ] && [ -e /usr/config/asound.state ]
then
  cp /usr/config/asound.state /storage/.config
fi

# Temporary patch since ES doesn't find the DAC on the RG552.
if [[ "${DEVICE}" =~ RG552 ]]
then
  DACTEST=$(grep DAC /storage/.config/emulationstation/es_settings.cfg 2>/dev/null)
  if [ ! "$?" = 0 ]
  then
    sed -i '/^.*AudioCard.*$/a \\t<string name="AudioDevice" value="DAC" \/>' /storage/.config/emulationstation/es_settings.cfg
  fi
else
  # Remove the mixer from ES
  sed -i '/<string name="AudioDevice".*$/d' /storage/.emulationstation/es_settings.cfg
fi

# Initialize sound using the state if available.
if [ -e "/storage/.config/asound.state" ]
then
  alsactl restore -f /storage/.config/asound.state
fi

VOL=$(get_setting "audio.volume" 2>/dev/null)
amixer -M set "${DEVICE_AUDIO_MIXER}" ${VOL}%