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#!/sbin/runscript

start() {
	if ! [ -f /etc/conf.d/lm_sensors ] ; then
		eerror "/etc/conf.d/lm_sensors does not exist, try running sensors-detect"
		return 1
	fi

	. /etc/conf.d/lm_sensors

	if [ -z "${NOLOADMODULES}" ] ; then
		if [ -z "${MODULE_0}" ] ; then
			eerror "MODULE_0 is not set in /etc/conf.d/lm_sensors, try running sensors-detect"
			return 1
		fi

		einfo "Loading lm_sensors modules..."
	
		mount | grep sysfs &>/dev/null
		if [ $? == 0 ]; then
			if ! ( [ -e /sys/i2c ] || [ -e /sys/bus/i2c ] ); then
				ebegin "  Loading i2c-core"
				modprobe i2c-core &>/dev/null
				if [ $? != 0 ]; then
					eerror "    Could not load i2c-core!"
					eend 1
				fi
				( [ -e /sys/i2c ] || [ -e /sys/bus/i2c ] ) || return 1
				eend 0
			fi
		elif ! [ -e /proc/sys/dev/sensors ]; then
			ebegin "  Loading i2c-proc"
			modprobe i2c-proc &>/dev/null
			if [ $? != 0 ]; then
				eerror "    Could not load i2c-proc!"
				eend 1
			fi
			[ -e /proc/sys/dev/sensors ] || return 1
			eend 0
		fi

		i=0
		while true; do
			module=`eval echo '$'MODULE_${i}`
			module_args=`eval echo '$'MODULE_${i}_ARGS`
			if [ -z "${module}" ] ; then
				break
			fi
			ebegin "  Loading ${module}"
			modprobe ${module} ${module_args} &>/dev/null
			eend $?
			i=$((i+1))
		done
	fi
	
	if ! [ -f /etc/sensors.conf ] ; then
		eerror "/etc/sensors.conf does not exist!"
		return 1
	fi

	ebegin "Initializing sensors"
	/usr/bin/sensors -s &>/dev/null
	eend $?

	return 0
}

stop() {
	if ! [ -f /etc/conf.d/lm_sensors ] ; then
		eerror "/etc/conf.d/lm_sensors does not exist, try running sensors-detect"
		return 1
	fi

	. /etc/conf.d/lm_sensors

	if [ -z "${NOLOADMODULES}" ] ; then
		if [ -z "${MODULE_0}" ] ; then
			eerror "MODULE_0 is not set in /etc/conf.d/lm_sensors, try running sensors-detect"
			return 1
		fi

		ebegin "Removing lm_sensors modules"
		eend $?
	
		# find the highest possible MODULE_ number
		i=0
		while true; do
			module=`eval echo '$'MODULE_${i}`
			if [ -z "${module}" ] ; then
				break
			fi
			i=$((i+1))
		done

		while [ ${i} -gt 0 ]; do
			i=$((i-1))
			module=`eval echo '$'MODULE_${i}`
			ebegin "  Removing ${module}"
			rmmod ${module} &>/dev/null
			eend $?
		done

		if [ -e /proc/sys/dev/sensors ] ; then
			ebegin "  Removing i2c-proc"
			rmmod i2c-proc &>/dev/null
			eend $?
		fi
	fi
	
	return 0

}