From 87b8023d20facc019744e878f1d23fd6e33f2f04 Mon Sep 17 00:00:00 2001
From: yan yan<yan.yan@amlogic.com>
Date: Thu, 14  Dec  2017  12:30:54  +0000
Subject: ATVCC: Fix roll-up problem

PD# NONE

Change-Id: I08d4f91a62502e4787bfb4d860925b9133217517
---
diff --git a/src/caption.c b/src/caption.c
index 4132788..b96a8d6 100644
--- a/src/caption.c
+++ b/src/caption.c
@@ -914,10 +914,18 @@ set_cursor(cc_channel *ch, int col, int row)
 		ch->row1 = row;
 		//clear_roll(ch);
 		//update_all(ch);
+		if (ch->mode == MODE_ROLL_UP) {
+			clear_roll(ch);
+			update_all(ch);
+		}
 	} else if (row >= ch->row1 + ch->roll) {
 		ch->row1 = row - ch->roll + 1;
 		//clear_roll(ch);
 		//update_all(ch);
+		if (ch->mode == MODE_ROLL_UP) {
+			clear_roll(ch);
+			update_all(ch);
+		}
 	}
 
 	ch->col = ch->col1 = col;
--
cgit