--- dahdi-linux-2.6.1/drivers/dahdi/wcb4xxp/base.c.orig	2012-04-05 18:22:41.000000000 +0200
+++ dahdi-linux-2.6.1/drivers/dahdi/wcb4xxp/base.c	2013-02-06 18:44:08.184863522 +0100
@@ -108,6 +108,9 @@ static int led_fader_table[] = {
 	20, 18, 16, 13, 11,  9,  8,  6,  4,  3,  2,  1,  0,  0,
 };
 
+static int card_modes[MAX_B4_CARDS];
+static int card_modes_count;
+
 // #define CREATE_WCB4XXP_PROCFS_ENTRY 
 #ifdef CREATE_WCB4XXP_PROCFS_ENTRY
 #define PROCFS_NAME 		"wcb4xxp"
@@ -1576,15 +1579,19 @@ static void hfc_init_all_st(struct b4xxp
 		s->parent = b4;
 		s->port = i;
 
-		/* The way the Digium B410P card reads the NT/TE mode
-		 * jumper is the oposite of how other HFC-4S cards do:
-		 * - In B410P: GPIO=0: NT
-		 * - In Junghanns: GPIO=0: TE
-		 */
-		if (b4->card_type == B410P)
-			nt = ((gpio & (1 << (i + 4))) == 0);
-		else
-			nt = ((gpio & (1 << (i + 4))) != 0);
+		if ((b4->cardno < card_modes_count) && (card_modes[b4->cardno] >= 0) && (card_modes[b4->cardno] < (1 << MAX_SPANS_PER_CARD))) {
+			nt = ((card_modes[b4->cardno] >> i) & 1);
+		} else {
+			/* The way the Digium B410P card reads the NT/TE mode
+			 * jumper is the opposite of how other HFC-4S cards do:
+			 * - In B410P: GPIO=0: NT
+			 * - In Junghanns: GPIO=0: TE
+			 */
+			if (b4->card_type == B410P)
+				nt = ((gpio & (1 << (i + 4))) == 0);
+			else
+				nt = ((gpio & (1 << (i + 4))) != 0);
+		}
 
 		s->te_mode = !nt;
 
@@ -3118,6 +3125,7 @@ module_param(vpmsupport, int, S_IRUGO);
 module_param(timer_1_ms, int, S_IRUGO | S_IWUSR);
 module_param(timer_3_ms, int, S_IRUGO | S_IWUSR);
 module_param(companding, charp, S_IRUGO);
+module_param_array(card_modes, int, &card_modes_count, S_IRUGO);
 
 MODULE_PARM_DESC(debug, "bitmap: 1=general 2=dtmf 4=regops 8=fops 16=ec 32=st state 64=hdlc 128=alarm");
 MODULE_PARM_DESC(spanfilter, "debug filter for spans. bitmap: 1=port 1, 2=port 2, 4=port 3, 8=port 4");
@@ -3133,6 +3141,8 @@ MODULE_PARM_DESC(timer_1_ms, "NT: msec t
 MODULE_PARM_DESC(timer_3_ms, "TE: msec to wait for link activation, NT: unused.");
 MODULE_PARM_DESC(companding, "Change the companding to \"alaw\" or \"ulaw\""\
 				"(alaw by default)");
+MODULE_PARM_DESC(card_modes, "Comma-separated list of per card bit-masks to configure spans for TE/NT mode. "\
+				"bit-mask<0: use jumper modes, span bit=0: TE, span bit=1: NT");
 
 MODULE_AUTHOR("Digium Incorporated <support@digium.com>");
 MODULE_DESCRIPTION("B410P & Similars multi-port BRI module driver.");