gentoo-overlay/app-laptop/tp_smapi/files/tp_smapi-0.40-initd

#!/sbin/openrc-run
# Copyright (C) 2011 Henning Schild <henning@wh9.tu-dresden.de>
# Copyright (C) 2011 Sebastian Pipping <sebastian@pipping.org>
#
# Distributed under the terms of the GNU General Public License, v2 or later

extra_started_commands="low high info"

SMAPI_SYSFS="/sys/devices/platform/smapi"
BATS="BAT0 BAT1"

depend() {
	after modules
}

start() {
	local state1
	local state2

	ebegin "Making sure that module 'tp_smapi' is loaded"
	modprobe tp_smapi
	state1=$?
	eend ${state1}

	ebegin "Checking for \"${SMAPI_SYSFS}\""
	test -d "${SMAPI_SYSFS}"
	state2=$?
	eend ${state2}

	if [ "${state1}" -ne "0" ] || [ "${state2}" -ne "0" ]; then
		return 1
	fi

	ebegin "Starting ${SVCNAME}"
	set_all ${SMAPI_THRESH_START} ${SMAPI_THRESH_STOP}
	eend $?
}

stop() {
	einfo "Nothing required to be done to stop ${SVCNAME}"
}

require_started() {
	if ! service_started; then
		"${RC_SERVICE}" start || return $?
	fi
}

high() {
	require_started

	einfo "Switching ${SVCNAME} to high thesholds"
	set_all ${SMAPI_HIGH_THRESH_START} ${SMAPI_HIGH_THRESH_STOP}
}

low() {
	require_started

	einfo "Switching ${SVCNAME} to low thesholds"
	set_all ${SMAPI_LOW_THRESH_START} ${SMAPI_LOW_THRESH_STOP}
}

set_all() {
	local tstart=$1
	local tstop=$2
	local bat

	for bat in ${BATS}; do
		ebegin "  setting thresholds for ${bat}: $tstart $tstop"
		echo ${tstart} > ${SMAPI_SYSFS}/${bat}/start_charge_thresh
		echo ${tstop} > ${SMAPI_SYSFS}/${bat}/stop_charge_thresh
		eend $?
	done
}

info() {
	local presence
	local tstart
	local tstop
	local bat

	require_started

	for bat in ${BATS}; do
		tstart=$(cat ${SMAPI_SYSFS}/${bat}/start_charge_thresh)
		tstop=$(cat ${SMAPI_SYSFS}/${bat}/stop_charge_thresh)
		if [ "$(cat ${SMAPI_SYSFS}/${bat}/installed)" -eq "1" ]; then
			presence="  [installed]"
		fi
		einfo "${bat}: ${tstart} ${tstop}${presence}"
	done
}