Don't auto-poweroff if USB is inserted

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2418 a1c6a512-1295-4272-9138-f99709370657

firmware/powermgmt.c

@@ -31,6 +31,7 @@
 #include "button.h"
 #include "ata.h"
 #include "mpeg.h"
+#include "usb.h"
 #include "powermgmt.h"
 
 #ifdef SIMULATOR
@@ -127,6 +128,7 @@ static void handle_auto_poweroff(void)
         last_charge_time = current_tick;
     
     if(timeout &&
+       !usb_inserted() &&
        (mpeg_stat == 0 ||
         mpeg_stat == (MPEG_STATUS_PLAY | MPEG_STATUS_PAUSE)))
     {

firmware/usb.c

@@ -297,6 +297,11 @@ void usb_start_monitoring(void)
     usb_monitor_enabled = true;
 }
 
+bool usb_inserted(void)
+{
+    return usb_state == USB_INSERTED;
+}
+
 #else
 
 /* Dummy simulator functions */

firmware/usb.h

@@ -26,5 +26,6 @@ void usb_start_monitoring(void);
 void usb_acknowledge(int id);
 void usb_wait_for_disconnect(struct event_queue *q);
 void usb_display_info(void);
+bool usb_inserted(void);
 
 #endif