From a78a2111d55d3f1b8e2378d40c820ae84c887b50 Mon Sep 17 00:00:00 2001
From: mattf <mattf@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Wed, 21 Feb 2007 15:57:59 +0000
Subject: Merged revisions 2198 via svnmerge from
 https://origsvn.digium.com/svn/zaptel/branches/1.2

........
r2198 | mattf | 2007-02-21 09:49:50 -0600 (Wed, 21 Feb 2007) | 2 lines

Reduce our stack usage when using the vpm450m

........


git-svn-id: http://svn.digium.com/svn/zaptel/branches/1.4@2200 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 wct4xxp/vpm450m.c | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/wct4xxp/vpm450m.c b/wct4xxp/vpm450m.c
index fa9a47a..8f82376 100644
--- a/wct4xxp/vpm450m.c
+++ b/wct4xxp/vpm450m.c
@@ -204,15 +204,16 @@ static unsigned int tones[] = {
 
 static void vpm450m_setecmode(struct vpm450m *vpm450m, int channel, int mode)
 {
-	tOCT6100_CHANNEL_MODIFY modify;
+	tOCT6100_CHANNEL_MODIFY *modify;
 	UINT32 ulResult;
 
 	if (vpm450m->ecmode[channel] == mode)
 		return;
-	Oct6100ChannelModifyDef(&modify);
-	modify.ulEchoOperationMode = mode;
-	modify.ulChannelHndl = vpm450m->aulEchoChanHndl[channel];
-	ulResult = Oct6100ChannelModify(vpm450m->pApiInstance, &modify);
+	modify = kmalloc(sizeof(tOCT6100_CHANNEL_MODIFY), GFP_KERNEL);
+	Oct6100ChannelModifyDef(modify);
+	modify->ulEchoOperationMode = mode;
+	modify->ulChannelHndl = vpm450m->aulEchoChanHndl[channel];
+	ulResult = Oct6100ChannelModify(vpm450m->pApiInstance, modify);
 	if (ulResult != GENERIC_OK) {
 		printk("Failed to apply echo can changes on channel %d!\n", channel);
 	} else {
@@ -221,21 +222,23 @@ static void vpm450m_setecmode(struct vpm450m *vpm450m, int channel, int mode)
 #endif
 		vpm450m->ecmode[channel] = mode;
 	}
+	kfree(modify);
 }
 
 void vpm450m_setdtmf(struct vpm450m *vpm450m, int channel, int detect, int mute)
 {
-	tOCT6100_CHANNEL_MODIFY modify;
+	tOCT6100_CHANNEL_MODIFY *modify;
 	UINT32 ulResult;
 
-	Oct6100ChannelModifyDef(&modify);
-	modify.ulChannelHndl = vpm450m->aulEchoChanHndl[channel];
+	modify = kmalloc(sizeof(tOCT6100_CHANNEL_MODIFY), GFP_KERNEL);
+	Oct6100ChannelModifyDef(modify);
+	modify->ulChannelHndl = vpm450m->aulEchoChanHndl[channel];
 	if (mute) {
 		vpm450m->chanflags[channel] |= FLAG_MUTE;
-		modify.VqeConfig.fDtmfToneRemoval = TRUE;
+		modify->VqeConfig.fDtmfToneRemoval = TRUE;
 	} else {
 		vpm450m->chanflags[channel] &= ~FLAG_MUTE;
-		modify.VqeConfig.fDtmfToneRemoval = FALSE;
+		modify->VqeConfig.fDtmfToneRemoval = FALSE;
 	}
 	if (detect)
 		vpm450m->chanflags[channel] |= FLAG_DTMF;
@@ -251,11 +254,12 @@ void vpm450m_setdtmf(struct vpm450m *vpm450m, int channel, int detect, int mute)
 			vpm450m_setecmode(vpm450m, channel, cOCT6100_ECHO_OP_MODE_DIGITAL);
 	}
 
-	ulResult = Oct6100ChannelModify(vpm450m->pApiInstance, &modify);
+	ulResult = Oct6100ChannelModify(vpm450m->pApiInstance, modify);
 	if (ulResult != GENERIC_OK) {
 		printk("Failed to apply dtmf mute changes on channel %d!\n", channel);
 	}
 /*	printk("VPM450m: Setting DTMF on channel %d: %s / %s\n", channel, (detect ? "DETECT" : "NO DETECT"), (mute ? "MUTE" : "NO MUTE")); */
+	kfree(modify);
 }
 
 void vpm450m_setec(struct vpm450m *vpm450m, int channel, int eclen)
@@ -352,7 +356,9 @@ int vpm450m_getdtmf(struct vpm450m *vpm450m, int *channel, int *tone, int *start
 				*tone = 'f';
 				break;
 			default:
+#ifdef OCTASIC_DEBUG
 				printk("Unknown tone value %08x\n", tonefound.ulToneDetected);
+#endif
 				*tone = 'u';
 				break;
 			}
-- 
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