linux-kernel - [PATCH 05/19] DSP now uses ring buffer for echo canceler

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Message-Id: <1632b1a819cda8ef1bd56bbe89b46dc5cf280698.1242739648.git.kkeil@pingi.linux-pingi.de>
Date:	Tue, 19 May 2009 15:58:26 +0200
From:	Karsten Keil <keil@...systems.de>
To:	linux-kernel@...r.kernel.org
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	i4ldeveloper@...tserv.isdn4linux.de
Subject: [PATCH 05/19] DSP now uses ring buffer for echo canceler

From: Andreas Eversberg <andreas@...rsberg.eu>

DSP now uses ring buffer for echo canceler.
Added missing include in l1oip_codec.c

Signed-off-by: Andreas Eversberg <andreas@...rsberg.eu>
Signed-off-by: Karsten Keil <keil@...systems.de>
---
 drivers/isdn/mISDN/dsp.h         |    3 ++-
 drivers/isdn/mISDN/l1oip_codec.c |    1 +
 2 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h
index 98a33c5..0a4a362 100644
--- a/drivers/isdn/mISDN/dsp.h
+++ b/drivers/isdn/mISDN/dsp.h
@@ -112,7 +112,8 @@ struct dsp_conf {
 
 #define DSP_DTMF_NPOINTS 102
 
-#define ECHOCAN_BUFLEN (4*128)
+#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */
+#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */
 
 struct dsp_dtmf {
 	int		treshold; /* above this is dtmf (square of) */
diff --git a/drivers/isdn/mISDN/l1oip_codec.c b/drivers/isdn/mISDN/l1oip_codec.c
index e4ecba3..bbfd1b8 100644
--- a/drivers/isdn/mISDN/l1oip_codec.c
+++ b/drivers/isdn/mISDN/l1oip_codec.c
@@ -48,6 +48,7 @@ NOTE: The bytes are handled as they are law-encoded.
 
 #include <linux/vmalloc.h>
 #include <linux/mISDNif.h>
+#include <linux/in.h>
 #include "core.h"
 #include "l1oip.h"
 
-- 
1.6.0.2

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