From 50dec4578213d00813a4f951dce121590bfe7cd3 Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Thu, 29 Sep 2005 13:56:45 +0000
Subject: Allow DTMF to be disabled on VPM...

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@784 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 wct4xxp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wct4xxp.c b/wct4xxp.c
index a5cf785..766e909 100755
--- a/wct4xxp.c
+++ b/wct4xxp.c
@@ -174,6 +174,7 @@ static int loopback = 0;
 static int alarmdebounce = 0;
 #ifdef VPM_SUPPORT
 static int vpmsupport = 1;
+static int vpmdtmfsupport = 1;
 static int vpmspans = 4;
 #define VPM_DEFAULT_DTMFTHRESHOLD 1000
 static int dtmfthreshold = VPM_DEFAULT_DTMFTHRESHOLD;
@@ -776,6 +777,8 @@ static int t4_ioctl(struct zt_chan *chan, unsigned int cmd, unsigned long data)
 			return -EFAULT;
 		if (!wc->vpm)
 			return -ENOSYS;
+		if (j && !vpmdtmfsupport)
+			return -ENOSYS;
 		if (j & ZT_TONEDETECT_ON)
 			ts->dtmfmask |= (1 << (chan->chanpos - 1));
 		else
@@ -2965,6 +2968,7 @@ module_param(alarmdebounce, int, 0600);
 module_param(j1mode, int, 0600);
 #ifdef VPM_SUPPORT
 module_param(vpmsupport, int, 0600);
+module_param(vpmdtmfsupport, int, 0600);
 module_param(vpmspans, int, 0600);
 module_param(dtmfthreshold, int, 0600);
 #endif
@@ -2980,6 +2984,7 @@ MODULE_PARM(alarmdebounce, "i");
 MODULE_PARM(j1mode, "i");
 #ifdef VPM_SUPPORT
 MODULE_PARM(vpmsupport, "i");
+MODULE_PARM(vpmdtmfsupport, "i");
 MODULE_PARM(vpmspans, "i");
 MODULE_PARM(dtmfthreshold, "i");
 #endif
-- 
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