From 86864c819c0b9ef7bd98c97224ac7732f280b3be Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Wed, 15 Jul 2009 15:44:23 -0500
Subject: [PATCH] Add extra_pdu_crlf quirk

---
 gatchat/gatchat.c | 10 +++++++++-
 gatchat/gatchat.h |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/gatchat/gatchat.c b/gatchat/gatchat.c
index 3c21e068..616f843a 100644
--- a/gatchat/gatchat.c
+++ b/gatchat/gatchat.c
@@ -675,7 +675,15 @@ static void new_bytes(GAtChat *p)
 			len -= p->read_so_far;
 			wrap -= p->read_so_far;
 
-			have_pdu(p);
+			/* Some modems like the TI Calypso send a CMT style
+			 * notification with an extra CRLF thrown in
+			 */
+			if ((p->flags & G_AT_CHAT_FLAG_EXTRA_PDU_CRLF) &&
+					p->read_so_far == 2) {
+				p->state = PARSER_STATE_PDU;
+				ring_buffer_drain(p->buf, p->read_so_far);
+			} else
+				have_pdu(p);
 
 			p->read_so_far = 0;
 		} else if (p->state == PARSER_STATE_INITIAL_CR) {
diff --git a/gatchat/gatchat.h b/gatchat/gatchat.h
index ff0994b1..969f6f46 100644
--- a/gatchat/gatchat.h
+++ b/gatchat/gatchat.h
@@ -39,6 +39,7 @@ typedef void (*GAtDisconnectFunc)(gpointer user_data);
 
 enum _GAtChatFlags {
 	G_AT_CHAT_FLAG_NO_LEADING_CRLF = 1,	/* Some emulators are broken */
+	G_AT_CHAT_FLAG_EXTRA_PDU_CRLF = 2,
 };
 
 typedef enum _GAtChatFlags GAtChatFlags;