Index: firmware/export/mc13783.h
===================================================================
--- firmware/export/mc13783.h	(revision 17091)
+++ firmware/export/mc13783.h	(arbetskopia)
@@ -88,6 +88,9 @@
     MC13783_NUM_REGS,
 };
 
+/* INTERRUPT_STATUS0, INTERRUPT_MASK0, INTERRUPT_SENSE0 */
+#define MC13783_CHGDET      (1 << 6)
+
 /* INTERRUPT_STATUS1, INTERRUPT_MASK1, INTERRUPT_SENSE1 */
 #define MC13783_HSL         (1 << 0)
 #define MC13783_ON1B        (1 << 3)
Index: firmware/target/arm/imx31/gigabeat-s/mc13783-imx31.c
===================================================================
--- firmware/target/arm/imx31/gigabeat-s/mc13783-imx31.c	(revision 17091)
+++ firmware/target/arm/imx31/gigabeat-s/mc13783-imx31.c	(arbetskopia)
@@ -24,6 +24,7 @@
 #include "debug.h"
 #include "kernel.h"
 
+#include "power-imx31.h"
 #include "button-target.h"
 
 /* This is all based on communicating with the MC13783 PMU which is on 
@@ -64,11 +65,15 @@
     gpio_enable_event(MC13783_GPIO_NUM, MC13783_EVENT_ID);
 
     /* Check initial states */
+    value = mc13783_read(MC13783_INTERRUPT_SENSE0);
+    set_charger_inserted(value & MC13783_CHGDET);
+
     value = mc13783_read(MC13783_INTERRUPT_SENSE1);
     button_power_set_state((value & MC13783_ON1B) == 0);
     set_headphones_inserted((value & MC13783_ON2B) == 0);
 
     /* Enable desired PMIC interrupts */
+    mc13783_clear(MC13783_INTERRUPT_MASK0, MC13783_CHGDET);
     mc13783_clear(MC13783_INTERRUPT_MASK1, MC13783_ON1B | MC13783_ON2B);
     
     while (1)
@@ -78,13 +83,20 @@
         mc13783_read_regset(status_regs, pending, 2);
         mc13783_write_regset(status_regs, pending, 2);
 
-#if 0
+
         if (pending[0])
         {
             /* Handle ...PENDING0 */
+            if (pending[0] & MC13783_CHGDET)
+            {
+                value = mc13783_read(MC13783_INTERRUPT_SENSE0);
+
+                if (pending[0] & MC13783_CHGDET)
+                    set_charger_inserted(value & MC13783_CHGDET);
+            }
         }
-#endif
 
+
         if (pending[1])
         {
             /* Handle ...PENDING1 */
Index: firmware/target/arm/imx31/gigabeat-s/power-imx31.c
===================================================================
--- firmware/target/arm/imx31/gigabeat-s/power-imx31.c	(revision 17091)
+++ firmware/target/arm/imx31/gigabeat-s/power-imx31.c	(arbetskopia)
@@ -26,13 +26,21 @@
 
 #ifndef SIMULATOR
 
+static bool charger_detect = false;
+
 void power_init(void)
 {
 }
 
+/* This is called from the mc13783 interrupt thread */
+void set_charger_inserted(bool inserted)
+{
+    charger_detect = inserted;
+}
+
 bool charger_inserted(void)
 {
-    return false;
+    return charger_detect;
 }
 
 /* Returns true if the unit is charging the batteries. */