[media] si2168: improve scanning performance

Improve scanning performance by setting property 0301 with a value
from Windows driver.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 5075189..303a441 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -325,6 +325,13 @@
 	if (ret)
 		goto err;
 
+	memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
+	cmd.wlen = 6;
+	cmd.rlen = 4;
+	ret = si2168_cmd_execute(s, &cmd);
+	if (ret)
+		goto err;
+
 	memcpy(cmd.args, "\x85", 1);
 	cmd.wlen = 1;
 	cmd.rlen = 1;