mISDN: Make layer1 timer 3 value configurable

For certification test it is very useful to change the layer1
timer3 value on runtime.

Signed-off-by: Karsten Keil <kkeil@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c
index c726e09..27998d7 100644
--- a/drivers/isdn/hardware/mISDN/netjet.c
+++ b/drivers/isdn/hardware/mISDN/netjet.c
@@ -837,7 +837,7 @@
 
 	switch (cq->op) {
 	case MISDN_CTRL_GETOP:
-		cq->op = MISDN_CTRL_LOOP;
+		cq->op = MISDN_CTRL_LOOP | MISDN_CTRL_L1_TIMER3;
 		break;
 	case MISDN_CTRL_LOOP:
 		/* cq->channel: 0 disable, 1 B1 loop 2 B2 loop, 3 both */
@@ -847,6 +847,9 @@
 		}
 		ret = card->isac.ctrl(&card->isac, HW_TESTLOOP, cq->channel);
 		break;
+	case MISDN_CTRL_L1_TIMER3:
+		ret = card->isac.ctrl(&card->isac, HW_TIMER3_VALUE, cq->p1);
+		break;
 	default:
 		pr_info("%s: %s unknown Op %x\n", card->name, __func__, cq->op);
 		ret = -EINVAL;