--- mb-applet-powerctrl/mb-applet-powerctrl.c	2007-07-09 04:53:08.000000000 +0000
+++ mb-applet-powerctrl-new.c	2007-07-10 14:31:44.000000000 +0000
@@ -1436,6 +1436,7 @@
 
 int read_apm()
 {
+   FILE *f;
    apm_info info;
    apm_read(&info);
     /*
@@ -1446,6 +1447,44 @@
    g_apm_vals[TIME_LEFT] = info.battery_time;
    g_apm_vals[PERCENTAGE] = info.battery_percentage;
    g_apm_vals[AC_POWER] = info.ac_line_status;
+
+   // grab the battery voltage
+   // sharpsl_main_battery_voltage measurement is volts*51
+   f = fopen("/proc/driver/battery/sharpsl_main_battery_voltage","r");
+   if (f != NULL)
+   {
+      char rawvoltage[10] = {0};
+      if(fgets(rawvoltage, sizeof(rawvoltage), f) != NULL)
+      {
+         long voltage = strtol(rawvoltage, NULL, 0);
+         if (g_apm_vals[AC_POWER] == AC_LINE_STATUS_ON)
+         {
+            // quick sanity check on voltage
+            // ~190 min/~221 max on AC
+            if (voltage > 0 && voltage < 250)
+            {
+               // simple linear approximation:
+               // 100% defined at 221, 5% defined at 191
+               g_apm_vals[PERCENTAGE] = (voltage*95 - 17995) / 30;
+            }
+         }
+         else
+         {
+            // just use apm's percentage
+            // ~143 min/~212 max on battery
+         }
+      }
+      else
+      {
+         DBG("Unable to read from /proc/driver/battery/sharpsl_main_battery_voltage\n");
+      }
+
+      fclose(f);
+   }
+   else
+   {
+      DBG("Failed to open /proc/driver/battery/sharpsl_main_battery_voltage\n");
+   }
   
    return 1;
 }