d@d-desktop:/dev$ cat /proc/asound/cards
 0 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfae78000 irq 21
d@d-desktop:/dev$ lspci |grep -i audio
00:08.0 Audio device: NVIDIA Corporation MCP79 High Definition Audio (rev b1)
d@d-desktop:/dev$ aplay -l
**** PLAYBACK 硬體裝置清單 ****
card 0: NVidia [HDA NVidia], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital]
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  子设备: 1/1
  子设备 #0: subdevice #0

#! /bin/sh
### BEGIN INIT INFO
# Provides:          squeezeslave
# Required-Start:
# Required-Stop:
# Should-Start:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Squeezeslave
# Description:       Light weight streaming audio player for Logitech's Squeezebox audio server
### END INIT INFO

# Author: Ralph Irving <ralph.irving@hotmail.com>
#
# Install Instructions
#
#   Copy file to /etc/init.d/squeezeslave
#   chmod 755 /etc/init.d/squeezeslave
#   update-rc.d squeezeslave defaults
#   
#   Create /etc/default/squeezeslave to override any default
#      variables defined here.  No not edit this file.
#
# Uninstall Instructions
#
#   update-rc.d squeezeslave remove
#

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Squeezebox client"
NAME=squeezeslave
DAEMON=/usr/bin/$NAME
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
SSMAC="00:00:00:00:00:01"
SBSHOST="localhost"
SSOPTIONS=
SSLOG=/var/log/squeezeslave.log
OSS="`$DAEMON -V | grep -c 1810`"
AOSS=/usr/bin/aoss

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

DAEMON_ARGS="-R -M${SSLOG} ${SSOPTIONS} -m${SSMAC} ${SBSHOST}"

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
   # Return
   #   0 if daemon has been started
   #   1 if daemon was already running
   #   2 if daemon could not be started
   start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null || return 1

   if [ -f ${SSLOG} ]; then
      rm ${SSLOG}
   fi

   if [ "${OSS}" -eq "1" -a -x ${AOSS} ]; then
      start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $AOSS $DAEMON -- $DAEMON_ARGS || return 2
   else
      start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS || return 2
   fi

   echo `pidof $NAME` > $PIDFILE
}

#
# Function that stops the daemon/service
#
do_stop()
{
   # Return
   #   0 if daemon has been stopped
   #   1 if daemon was already stopped
   #   2 if daemon could not be stopped
   #   other if a failure occurred
   start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
   RETVAL="$?"
   [ "$RETVAL" = 2 ] && return 2
   # Wait for children to finish too if this is a daemon that forks
   # and if the daemon is only ever run from this initscript.
   # If the above conditions are not satisfied then add some other code
   # that waits for the process to drop all resources that could be
   # needed by services started subsequently.  A last resort is to
   # sleep for some time.
   start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
   [ "$?" = 2 ] && return 2
   # Many daemons don't delete their pidfiles when they exit.
   rm -f $PIDFILE
   return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
   #
   # If the daemon can reload its configuration without
   # restarting (for example, when it is sent a SIGHUP),
   # then implement that here.
   #
   start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
   return 0
}

case "$1" in
  start)
   [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
   do_start
   case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
   esac
   ;;
  stop)
   [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
   do_stop
   case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
   esac
   ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  #reload|force-reload)
   #
   # If do_reload() is not implemented then leave this commented out
   # and leave 'force-reload' as an alias for 'restart'.
   #
   #log_daemon_msg "Reloading $DESC" "$NAME"
   #do_reload
   #log_end_msg $?
   #;;
  restart|force-reload)
   #
   # If the "reload" option is implemented then remove the
   # 'force-reload' alias
   #
   log_daemon_msg "Restarting $DESC" "$NAME"
   do_stop
   case "$?" in
     0|1)
      do_start
      case "$?" in
         0) log_end_msg 0 ;;
         1) log_end_msg 1 ;; # Old process is still running
         *) log_end_msg 1 ;; # Failed to start
      esac
      ;;
     *)
        # Failed to stop
      log_end_msg 1
      ;;
   esac
   ;;
  *)
   #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
   echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
   exit 3
   ;;
esac

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