Index: apps/playback.c
===================================================================
RCS file: /cvsroot/rockbox/apps/playback.c,v
retrieving revision 1.220
diff -u -r1.220 playback.c
--- apps/playback.c	24 Mar 2006 13:43:15 -0000	1.220
+++ apps/playback.c	24 Mar 2006 19:28:52 -0000
@@ -1796,6 +1796,10 @@
     struct event ev;
     int last_tick = 0;
     bool play_pending = false;
+#if CONFIG_CPU == PP5020
+	unsigned int gpio_a;
+	bool earphonelocked = false;
+#endif    
 
     /* At first initialize audio system in background. */
     playback_init();
@@ -1818,6 +1822,20 @@
             ev.id = Q_AUDIO_PLAY;
             ev.data = (bool *)1;
         }
+
+#if CONFIG_CPU == PP5020		
+			gpio_a = GPIOA_INPUT_VAL; // read the GPIO A
+			if (gpio_a < 128) // check if the 2^7 bit is set?
+			{
+				if (!earphonelocked) {
+					ev.id = Q_AUDIO_PAUSE; // if so, initiate a pause.
+					ev.data = (bool *)1;
+					earphonelocked = true;
+				}
+			} else {
+				earphonelocked = false;
+			}
+#endif	
         
         switch (ev.id) {
             case Q_AUDIO_PLAY: