[PATCH 4/4] Fix: Ignore repeated CCWA notify if have

[Zhenhua Zhang]

Some phone like iPhone repeats CCWA notify. So we need to ignore
it when we already have waiting call.
---
 drivers/hfpmodem/voicecall.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/hfpmodem/voicecall.c b/drivers/hfpmodem/voicecall.c
index 53d4fd1..689597d 100644
--- a/drivers/hfpmodem/voicecall.c
+++ b/drivers/hfpmodem/voicecall.c
@@ -450,6 +450,12 @@ static void ccwa_notify(GAtResult *result, gpointer
user_data)
 
 	dump_response("ccwa_notify", TRUE, result);
 
+	/* CCWA can repeat, ignore if we already have an waiting call */
+	if (g_slist_find_custom(vd->calls,
+				GINT_TO_POINTER(CALL_STATUS_WAITING),
+				at_util_call_compare_by_status))
+		return;
+
 	g_at_result_iter_init(&iter, result);
 
 	if (!g_at_result_iter_next(&iter, "+CCWA:"))
-- 
1.6.2.5