#!/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 "${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
	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 "${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

	return 0

}