Index: rockbox_svn/firmware/drivers/button.c
===================================================================
--- rockbox_svn.orig/firmware/drivers/button.c
+++ rockbox_svn/firmware/drivers/button.c
@@ -71,6 +71,10 @@ bool phones_present = false;
 /* speed repeat finishes at, in ticks */
 #define REPEAT_INTERVAL_FINISH  5
 
+/* filter limit setting */
+#define FILTER_LIMIT  4
+static int filter;
+
 static int button_read(void);
 
 static void button_tick(void)
@@ -353,6 +357,8 @@ void button_init(void)
     remote_filter_first_keypress = false;
 #endif    
 #endif
+    /* filter init */
+    filter = 0;
 }
 
 #ifdef HAVE_LCD_BITMAP /* only bitmap displays can be flipped */
@@ -446,11 +452,20 @@ static int button_read(void)
 #endif
 
     /* Filter the button status. It is only accepted if we get the same
-       status twice in a row. */
+        status FILTER_LIMIT times in a row. */
     if (btn != last_read)
+    {
+        /* filter init */
+        filter = 0;
         retval = lastbtn;
+    }
     else
-        retval = btn;
+    {
+       if(++filter > FILTER_LIMIT)
+           retval = btn;
+       else
+           retval = lastbtn;
+    }
     last_read = btn;
 
     return retval;