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#!/bin/sh

export TUXONICE_LOC
# TODO tuxonice supports all sorts of knobs to twiddle. Since this should be as
# simple as possible, it does not provide a mechanism for twiddling those knobs.
# If you need more customization than this file has, consider using a hook to
# set the appropriate values.

# more locations might be nice
for loc in "/sys/power/tuxonice" "/sys/power/suspend2"; do
	[ -d "${loc}" ] && { TUXONICE_LOC="${loc}"; break; }
done 

check_suspend()
{
	[ -c /dev/pmu ] && return 0
	grep -q mem /sys/power/state && return 0
}

do_suspend()
{
	if [ -e /dev/pmu ]; then
		pm-pmu --suspend
	else
		echo -n "mem" > /sys/power/state
	fi
}

check_hibernate()
{
	[ -f "${TUXONICE_LOC}/do_hibernate" ]
}

do_hibernate()
{
	echo 5 > "${TUXONICE_LOC}/powerdown_method"
	echo anything > "${TUXONICE_LOC}/do_hibernate"
}

check_suspend_hybrid()
{
	grep -q mem /sys/power/state && \
	[ -f "${TUXONICE_LOC}/do_hibernate" ]
}
do_suspend_hybrid()
{
	echo 3 >"${TUXONICE_LOC}/powerdown_method"
	echo anything >"${TUXONICE_LOC}/do_hibernate"
}