Slightly more correct initialization of the power/charging code

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3940 a1c6a512-1295-4272-9138-f99709370657

apps/main.c

@@ -146,7 +146,7 @@ void init(void)
 
     button_init();
 
-    power_init(); /* moved up from below mpeg_init, hope that's not harmful */
+    powermgmt_init();
 
     if (coldstart && charger_inserted())
     {

firmware/drivers/power.c

@@ -24,11 +24,19 @@
 #include "power.h"
 
 #ifdef HAVE_CHARGE_CTRL
-bool charger_enabled = 0;
+bool charger_enabled;
 #endif
 
 #ifndef SIMULATOR
 
+void power_init(void)
+{
+#ifdef HAVE_CHARGE_CTRL
+    PBIOR |= 0x20;          /* Set charging control bit to output */
+    charger_enable(false);  /* Default to charger OFF */
+#endif
+}
+
 bool charger_inserted(void)
 {
 #ifdef HAVE_CHARGE_CTRL

firmware/export/power.h

@@ -23,6 +23,7 @@
 extern bool charger_enabled;
 #endif
 
+void power_init(void);
 bool charger_inserted(void);
 void charger_enable(bool on);
 void ide_power_enable(bool on);

firmware/export/powermgmt.h

@@ -80,7 +80,7 @@ extern int charge_state;         /* tells what the charger is doing (for info di
 extern unsigned short power_history[POWER_HISTORY_LEN];
 
 /* Start up power management thread */
-void power_init(void);
+void powermgmt_init(void);
 
 #endif /* SIMULATOR */
 

firmware/powermgmt.c

@@ -685,8 +685,10 @@ static void power_thread(void)
     }
 }
 
-void power_init(void)
+void powermgmt_init(void)
 {
+    power_init();
+    
     /* init history to 0 */
     memset(power_history, 0x00, sizeof(power_history));
     /* initialize the history with a single sample to prevent level