From 6ae6f6848d45286f1f7ca6d59821841db7b80726 Mon Sep 17 00:00:00 2001
From: yan yan<yan.yan@amlogic.com>
Date: Thu, 14  Dec  2017  11:16:14  +0000
Subject: ATVCC: add clear roll

PD# NONE

Change-Id: Ica9c09f82a93a81e9f829089ae90b909622ef95c
---
diff --git a/src/caption.c b/src/caption.c
index 320457e..4132788 100644
--- a/src/caption.c
+++ b/src/caption.c
@@ -904,6 +904,7 @@ roll_up (cc_channel *ch, int roll)
 		ch->row1 = 0;
 	if (ch->row < 0)
 		ch->row = 0;
+	clear_roll(ch);
 }
 
 static inline void
--
cgit