Don't consider freshly started spans as timing sources (bug #1397)

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@357 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 3 insertions, 0 deletions

diff --git a/wct4xxp.c b/wct4xxp.c
index 911dbeb..9969b72 100755
--- a/wct4xxp.c
+++ b/wct4xxp.c
@@ -875,7 +875,10 @@ static int t4_startup(struct zt_span *span)
 	}
 	
 	if (!alreadyrunning) {
+		/* Never trust timing from something we're just starting.  Let it settle first. */
+		span->alarms |= ZT_ALARM_RECOVER;
 		span->flags |= ZT_FLAG_RUNNING;
+		wc->alarmtimer[span->offset] = ZT_ALARMSETTLE_TIME;
 		wc->spansstarted++;
 			/* enable interrupts */
 		/* Start DMA, enabling DMA interrupts on read only */