op_lid: handle spurious 'open' calls

The script should now be able to handle open and close events in any
order.

diff --git a/testdata/scripts/op_lid.sh b/testdata/scripts/op_lid.sh
index a070d49..5f78072 100755 (executable)
--- a/testdata/scripts/op_lid.sh
+++ b/testdata/scripts/op_lid.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 #actions done when the lid is closed
 #only argument is 0 for open 1 for closed
+#may also be called after inactivity, like X DPMS
 
 if [ ! -e /tmp/powerstate ]; then #do nothing when in powersave mode
   if [ "$1" = "1" ]; then #lid was closed
@@ -10,11 +11,17 @@ if [ ! -e /tmp/powerstate ]; then #do nothing when in powersave mode
     fi
     echo 0 > /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness
     echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
-  elif [ "$1" = "0" ]; then # lid was opend
+  elif [ "$1" = "0" ]; then # lid was opened
     echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank
     sleep 0.1s # looks cleaner, could flicker without
     maxbright=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/max_brightness)
-    oldbright=$(cat /tmp/oldbright)
+    oldbright=0
+    if [ -f /tmp/oldbright ]; then
+      oldbright=$(cat /tmp/oldbright)
+    fi
+    if [ $oldbright -eq 0 ]; then
+      oldbright=$(cat /etc/pandora/conf/brightness.state)
+    fi
      if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then 
       /usr/pandora/scripts/op_bright.sh $oldbright 
      else