Fix behavior on 1st gen T4 cards (oops)

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@637 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 4 insertions, 1 deletions

diff --git a/wct4xxp.c b/wct4xxp.c
index 5bd71ad..bace301 100755
--- a/wct4xxp.c
+++ b/wct4xxp.c
@@ -1184,7 +1184,10 @@ static int t4_startup(struct zt_span *span)
 		wc->spansstarted++;
 			/* enable interrupts */
 		/* Start DMA, enabling DMA interrupts on read only */
-		wc->dmactrl = 0xc0000000 | (1 << 29) | wc->vpm;
+		if (wc->spanflags[0] & FLAG_2NDGEN)
+			wc->dmactrl = 0xc0000000 | (1 << 29) | wc->vpm;
+		else
+			wc->dmactrl = 0xc0000003 | (1 << 29) | wc->vpm;
 		if (noburst)
 			wc->dmactrl |= (1 << 26);
 		__t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);