V4L/DVB (10701): saa7185: add colorbar support.

Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7185.c

@@ -281,6 +281,8 @@ static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
 
 		switch (*iarg) {
 		case 0:
+			/* turn off colorbar */
+			saa7185_write(client, 0x3a, 0x0f);
 			/* Switch RTCE to 1 */
 			saa7185_write(client, 0x61,
 				      (encoder->reg[0x61] & 0xf7) | 0x08);
@@ -288,6 +290,8 @@ static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
 			break;
 
 		case 1:
+			/* turn off colorbar */
+			saa7185_write(client, 0x3a, 0x0f);
 			/* Switch RTCE to 0 */
 			saa7185_write(client, 0x61,
 				      (encoder->reg[0x61] & 0xf7) | 0x00);
@@ -295,6 +299,16 @@ static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
 			saa7185_write(client, 0x6e, 0x00);
 			break;
 
+		case 2:
+			/* turn on colorbar */
+			saa7185_write(client, 0x3a, 0x8f);
+			/* Switch RTCE to 0 */
+			saa7185_write(client, 0x61,
+				      (encoder->reg[0x61] & 0xf7) | 0x08);
+			/* SW: a slight sync problem... */
+			saa7185_write(client, 0x6e, 0x01);
+			break;
+
 		default:
 			return -EINVAL;
 		}