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File rcdvb of Package dvb (Revision 3)

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#! /bin/bash
# Copyright (c) 1996, 1997, 1998 S.u.S.E. GmbH
# Copyright (c) 1998, 1999, 2000, 2001 SuSE GmbH
# Copyright (c) 2002, 2003, 2004 SuSE Linux AG
# Copyright (c) 2005 SUSE LINUX Products GmbH
#
# Author: Kurt Garloff, Ludwig Nussel
#
# init.d/dvb
#
#   and symbolic its link
#
# /sbin/rcdvb
#
# System startup script for the dvb card driver
#
### BEGIN INIT INFO
# Provides: dvb
# Required-Start:
# Required-Stop:
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Short-Description: (re)loads drivers for DVB cards.
# Description: This script is mostly useless nowadays as drivers
#	are loaded automatically. You may configure vdr to use it
#	to reload drivers in case vdr crashes though. See
#	/etc/sysconfig/vdr
### END INIT INFO

# Source SuSE config
. /etc/sysconfig/dvb

kernelversion=`IFS=. read a b c < <(uname -r); echo $a.$b`

av7110_loadkeys_path="/usr/share/dvb/av7110_loadkeys"
if [ "$kernelversion" = 2.4 ]; then
    moddir=/lib/modules/`uname -r`/dvb
else
    moddir=/lib/modules/`uname -r`/kernel/drivers/media/dvb
fi

frontend_modules()
{
    if [ "$kernelversion" = 2.4 ]; then
	for vendor in ves alps_ st grundig_ tda mt; do
	    for m in $moddir/$vendor*; do
		test -e $m && basename $m .o
	    done
	done
    else
	for m in $moddir/frontends/*; do
	    test -e $m && basename $m .ko
	done
    fi
}

load_modules()
{
	if [ -z "$DVB_LOAD_MODULES" ]; then
		modprobe -q dvb-core

# XXX this one could be PCI probed !!!
		modprobe -q dvb-ttpci

# this one too (#36969)
		grep -q bttv /proc/modules && modprobe -q dvb-bt8xx

# Frontends are behind an I2C bus, hard to probe.
		# insert all drivers and see which one finds a device.
		for m in `frontend_modules`; do
			modprobe -q $m
		done
	elif [ "$DVB_LOAD_MODULES" = "no" ]; then
		:
	else
		echo -n " ["
		for module in $DVB_LOAD_MODULES; do
			echo -n " $module"
			modprobe -q "$module"
		done
		echo -n " ]"
	fi
}

unload_modules()
{
	if [ -z "$DVB_LOAD_MODULES" ]; then
		rmmod dvb-bt8xx 2>/dev/null
		rmmod dvb-ttpci
		for m in `frontend_modules`; do
			rmmod $m
		done
		rmmod dvb-core
	elif [ "$DVB_LOAD_MODULES" = "no" ]; then
		:
	else
		echo -n " ["
		for module in $DVB_LOAD_MODULES; do
			echo -n " $module"
			rmmod "$module"
		done
		echo -n " ]"
	fi
}

# Determine the base and follow a runlevel link name.
base=${0##*/}
link=${base#*[SK][0-9][0-9]}

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting DVB"

load_modules
	rc_status -v

if [ -n "$DVB_AV7110_LOADKEYS_FILE" -a \
	    -e "$av7110_loadkeys_path/$DVB_AV7110_LOADKEYS_FILE" -a \
	    -w /proc/av7110_ir ]; then

echo -n "Loading $DVB_AV7110_LOADKEYS_FILE"
		/usr/bin/av7110_loadkeys \
		    "$av7110_loadkeys_path/$DVB_AV7110_LOADKEYS_FILE" \
		    > /proc/av7110_ir
		rc_status -v
	fi
	;;
    stop)
	echo -n "Shutting down DVB"

if [ -n "$RUNLEVEL" -a $ "$RUNLEVEL" = 0 -o "$RUNLEVEL" = 6 $ ]; then
		# don't waste time unloading drivers at
		# shutdown/reboot
		:
	else
		unload_modules
	fi

rc_failed 0 # don't say failed if modules were not loaded

# Remember status and be verbose
	rc_status -v
	;;
    try-restart)

$0 status >/dev/null &&  $0 restart

# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

# Remember status and be quiet
	rc_status
	;;
    force-reload)
	echo -n "Reload service DVB"

$0 stop  && $0 start
	rc_status
	;;
    reload)
	# not supported
	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for DVB: "

# Status has a slightly different for the status command:
	# 0 - service running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running

# NOTE: checkproc returns LSB compliant status values.
	/sbin/lsmod|grep -q ^dvb || rc_failed 3
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit