display_on() {
echo 0 > /sys/class/graphics/fb0/blank
+ # only bother restoring brightness if it's 0
+ # (old kernel or user messed it up somehow)
+ brightness=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS)
+ if [ $brightness -gt 0 ]; then
+ return 0
+ fi
+
maxbright=$(cat $SYSFS_BACKLIGHT/max_brightness)
oldbright=0
if [ -f /tmp/oldbright ]; then
if [ $brightness -gt 0 ]; then
echo $brightness > /tmp/oldbright
fi
- echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
+ kernel_major=`uname -r | cut -c 1`
+ if [ "$kernel_major" = "2" ]; then
+ echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
+ fi
echo 1 > /sys/class/graphics/fb0/blank
}
suspend_net
cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
- /usr/pandora/scripts/op_cpuspeed.sh 125
+ /usr/pandora/scripts/op_cpuspeed.sh -n 125
}
lowPowerOff(){ # switch from lowpower to normal mode
oldspeed=$(cat /tmp/oldspeed)
- /usr/pandora/scripts/op_cpuspeed.sh $oldspeed
+ /usr/pandora/scripts/op_cpuspeed.sh -n $oldspeed
+ rm -f /tmp/oldspeed
display_on
resume_net
echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright
}
+display_on_with_checks() {
+ # after turning on the display, we don't want lowpower state
+ # (which could be active because of some races)
+ if [ "$powerstate" = "buttonlowpower" -o "$powerstate" = "lidlowpower" -o \
+ -e /tmp/oldspeed ]
+ then
+ lowPowerOff
+ else
+ display_on
+ fi
+}
+
+show_message() {
+ # TODO: check if desktop is visible; maybe use layer3?
+ xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
+ cmd="DISPLAY=:0.0 zenity --info --text \"$1\" --timeout 10"
+ su -c "$cmd" $xfceuser
+}
+
suspend_real() {
delay=0
return 1
fi
+ current_now="$(cat /sys/class/power_supply/bq27500-0/current_now)"
+
+ if [ $current_now -gt 0 ]; then
+ return 1
+ #don't suspend while unit is charging
+ fi
+
# can't suspend while SGX is in use due to bugs
# (prevents low power states and potential lockup)
if lsof -t /dev/pvrsrvkm > /dev/null; then
return 1
fi
- # TODO: we probably want to NOT do real suspend if:
- # - cards don't unmount (running PNDs will break)
- # - while charging too, since it stops on suspend?
+ if ! grep -q 'mmc_core.removable=0' /proc/cmdline; then
+ # must unmount cards because they will be "ejected" on suspend
+ # (some filesystems may even deadlock if we don't do this due to bugs)
+ mounts="$(grep "/dev/mmcblk" /proc/mounts | awk '{print $1}' | xargs echo)"
+ for mnt in $mounts; do
+ if ! umount $mnt; then
+ show_message "Could not unmount $mnt, using partial suspend only"
+ return 1
+ fi
+ done
+ swaps="$(grep "/dev/mmcblk" /proc/swaps | awk '{print $1}' | xargs echo)"
+ for swp in $swaps; do
+ if ! swapoff $swp; then
+ show_message "Could not unmount $swp, using partial suspend only"
+ return 1
+ fi
+ done
+ else
+ if [ ! -e /etc/pandora/suspend-warned ]; then
+ show_message "Pandora will now suspend.\n\n\
+Please do not remove SD cards while pandora is suspended, doing so will corrupt them."
+ touch /etc/pandora/suspend-warned
+ fi
+ fi
# FIXME: fix the kernel and get rid of this
suspend_net
# get rid of modules that prevent suspend due to bugs
modules="$(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"
+ blacklist="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
+ ehci_hcd bridgedriver"
restore_list=""
for mod in $modules; do
if echo $blacklist | grep -q "\<$mod\>"; then
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
+ sync
echo mem > /sys/power/state
# if we are here, either we already resumed or the suspend failed
modprobe $restore_list
fi
+ display_on
resume_net
echo 255 > /sys/class/leds/pandora\:\:power/brightness
elif [[ "$powerstate" == "on" ]]; then
powerstate="buttonlowpower"
(debug && echo "suspend") || suspend_
+ elif [[ "$powerstate" == "liddisplayoff" ]]; then
+ powerstate="buttonlowpower"
+ (debug && echo "suspend") || suspend_
fi
elif [[ "$1" -ge 3 ]]; then # power button was pressed 3 sec or longer, shutdown
if [[ "$powerstate" == "on" ]]; then
powerstate="on"
;;
*)
- (debug && echo "display_on") || display_on
+ (debug && echo "display_on") || display_on_with_checks
powerstate="on"
;;
esac
esac
fi
fi
- fi
+elif [[ "$2" == "screensaver" ]]; then
+ # warning: don't try to interact with X or do real suspend here -
+ # will cause various deadlocks
+ unset DISPLAY
+
+ if [[ "$1" == 0 ]]; then # deactivate screensaver
+ display_on_with_checks
+ powerstate="on"
+ elif [[ "$1" == 1 ]]; then # activate screensaver
+ display_off
+ fi
+fi
+
debug && echo "powerstate=$powerstate"
echo "$powerstate" > /tmp/powerstate
git.openpandora.org / openpandora.oe.git / blobdiff