#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-power/speedfreq/files/speedfreq.rc,v 1.1 2005/03/14 21:57:10 ciaranm Exp $

depend() {
	need modules logger
	use acpid
}

check_battery() {
	[ "${SPEEDFREQ_SPEED}" == "auto" ] || return 0

	local status=""
	if [ -e /proc/acpi/battery/BAT0/state ] ; then
		status="$(awk '/^charging/ {print $NF}' /proc/acpi/battery/BAT0/state)"
	elif [ -e /proc/acpi/battery/BAT1/state ] ; then
		status="$(awk '/^charging/ {print $NF}' /proc/acpi/battery/BAT1/state)"
	elif [ -e /proc/pmu/info ] ; then
		status="$(awk '/^AC Power/ {print $NF}' /proc/pmu/info)"
	[ ${status} -eq 1 ] \
			&& status="charging" \
			|| status="discharging"
	fi

	case ${status} in
		charging)	SPEEDFREQ_SPEED=performance;;
		discharging)	SPEEDFREQ_SPEED=powersave;;
		*)		SPEEDFREQ_SPEED=performance;;
	esac
	return 0
}

start() {
	check_battery

	ebegin "Starting speedfreq"
	/usr/sbin/speedfreqd -P /var/run/speedfreq.pid -p ${SPEEDFREQ_SPEED} ${SPEEDFREQ_OPTS}
	eend $?
}

stop() {
	ebegin "Stopping speedfreq"
	if [ -e /var/run/speedfreq.pid ] ; then
		local pid="$(</var/run/speedfreq.pid)"
		kill ${pid} >& /dev/null
		eend $? "Could not kill pid '${pid}'"
	else
		eend 1 "Lost pid file :("
	fi
}