debug && echo "powerstate=$powerstate"
-lowPowerOn(){ #switch from normal to lowpower mode
- cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
- cat $SYSFS_BACKLIGHT_BRIGHTNESS > /tmp/oldbright
- pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
- for PID in $pidlist
- do
- kill -19 $PID #send SIGSTOP
- done
- test -f /tmp/hcistate && rm /tmp/hcistate
+suspend_net() {
hcistate=$(hciconfig hci0 | grep DOWN)
if [ $hcistate ]; then
echo "down" > /tmp/hcistate
else
+ echo "up" > /tmp/hcistate
hciconfig hci0 down
fi
- test -f /tmp/wlstate && rm /tmp/wlstate
wlstate=$(lsmod | grep -m1 wl1251)
if [ -z "$wlstate" ]; then
echo "down" > /tmp/wlstate
else
+ echo "up" > /tmp/wlstate
ifconfig wlan0 down
- rmmod board_omap3pandora_wifi wl1251_sdio wl1251
+ rmmod board_omap3pandora_wifi 2> /dev/null
+ rmmod wl1251_sdio wl1251
fi
+}
+
+resume_net() {
+ hcistate=$(cat /tmp/hcistate)
+ if [ "$hcistate" = "up" ]; then
+ hciconfig hci0 up pscan
+ fi
+ wlstate=$(cat /tmp/wlstate)
+ if [ "$wlstate" = "up" ]; then
+ /etc/init.d/wl1251-init start
+ fi
+ rm -f /tmp/hcistate /tmp/wlstate
+}
+
+lowPowerOn(){ #switch from normal to lowpower mode
+ cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
+ cat $SYSFS_BACKLIGHT_BRIGHTNESS > /tmp/oldbright
+ pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
+ for PID in $pidlist
+ do
+ kill -19 $PID #send SIGSTOP
+ done
+ suspend_net
echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
- echo 16 > /sys/class/leds/pandora\:\:power/brightness #dim power LED
/usr/pandora/scripts/op_cpuspeed.sh 125
}
else
/usr/pandora/scripts/op_bright.sh $maxbright
fi
- hcistate=$(cat /tmp/hcistate)
- if [ ! $hcistate ]; then
- hciconfig hci0 up pscan
- fi
- wlstate=$(cat /tmp/wlstate)
- if [ -z "$wlstate" ]; then
- /etc/init.d/wl1251-init start
- fi
+ resume_net
pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
for PID in $pidlist
do
echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright
}
+suspend_real() {
+ delay=0
+
+ # FIXME: fix the kernel and get rid of this
+ suspend_net
+
+ # get rid of modules that prevent suspend due to bugs
+ modules="$(lsmod | awk '{print $1}' | xargs echo)"
+ blacklist="ehci_hcd g_zero g_audio g_ether g_serial g_midi gadgetfs g_file_storage
+ g_mass_storage g_printer g_cdc g_multi g_hid g_dbgp g_nokia g_webcam g_ncm g_acm_ms"
+ restore_list=""
+ for mod in $modules; do
+ if echo $blacklist | grep -q "\<$mod\>"; then
+ restore_list="$restore_list $mod"
+ rmmod $mod
+ delay=1 # enough?
+ fi
+ done
+
+ # must unmount cards because they will be "ejected" on suspend
+ # (some filesystems may even deadlock if we don't do this due to bugs)
+ grep "/dev/mmcblk" /proc/mounts | awk '{print $1}' | xargs umount -r
+
+ sleep $delay
+ echo mem > /sys/power/state
+
+ # if we are here, either we already resumed or the suspend failed
+ if [ -n "$restore_list" ]; then
+ modprobe $restore_list
+ fi
+
+ resume_net
+ echo 255 > /sys/class/leds/pandora\:\:power/brightness
+
+ # wait here a bit to prevent this script from running again (keep op_power.lock)
+ # in case user did resume using the power switch.
+ sleep 2
+}
+
+suspend_() {
+ # dim power LED
+ echo 16 > /sys/class/leds/pandora\:\:power/brightness
+
+ if [ -e /sys/power/state ]; then
+ suspend_real
+ else
+ lowPowerOn
+ fi
+}
+
+resume() {
+ if [ -e /sys/power/state ]; then
+ # nothing to do
+ echo "resume called unexpectedly" >&2
+ else
+ lowPowerOff
+ fi
+}
+
+suspend_check() {
+ if [ -e /sys/power/state ]; then
+ # in case of real suspend we've already resumed
+ powerstate="on"
+ fi
+}
+
shutdown(){ # warns the user and shuts the pandora down
xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
time=5
if [[ "$2" == "" ]]; then
if [[ "$1" -le 2 ]]; then # power button was pressed 1-2sec, "suspend"
if [[ "$powerstate" == "buttonlowpower" ]]; then
- (debug && echo "lowPowerOff") || lowPowerOff
+ (debug && echo "resume") || resume
powerstate="on"
elif [[ "$powerstate" == "on" ]]; then
- (debug && echo "lowPowerOn") || lowPowerOn
+ (debug && echo "suspend") || suspend_
powerstate="buttonlowpower"
+ suspend_check
fi
elif [[ "$1" -ge 3 ]]; then # power button was pressed 3 sec or longer, shutdown
if [[ "$powerstate" == "on" ]]; then
if [[ "$powerstate" == lid* ]]; then
case "$lidconfig" in
"lowpower")
- (debug && echo "lowPowerOff") || lowPowerOff
+ (debug && echo "resume") || resume
powerstate="on"
;;
*)
(debug && echo "shutdown") || shutdown
;;
"lowpower")
- (debug && echo "lowPowerOn") || lowPowerOn
+ (debug && echo "suspend") || suspend_
powerstate="lidlowpower"
+ suspend_check
;;
*)
(debug && echo "displayOff") || displayOff
git.openpandora.org / openpandora.oe.git / blobdiff