#!/bin/sh
#(c) Copyright Barry Kauler, Nov. 2016, barryk.org. Licence GPL3 (ref: /usr/share/doc/legal)
#called from simplevp. return a string that identifies how audio is configured.

[ ! $1 ] && exit 1
BOOT_BOARD="$1"

AUDIO_HW=''
case $BOOT_BOARD in
 raspi)
  nAUDIO_HW="`grep 'amixer cset numid' /etc/init.d/11alsa_raspi | rev | cut -f 1 -d ' ' | rev`" #0=auto, 1=analog, 2=hdmi.
  case "$nAUDIO_HW" in
   1) AUDIO_HW='Analog' ;;
   2) AUDIO_HW='HDMI' ;;
   *) AUDIO_HW='Auto' ;;
  esac
 ;;
esac

echo -n "$AUDIO_HW" > /tmp/simplevp/audio_hw
