[media] si2168: Set symbol rate for DVB-C

This patch adds symbol rate setting to the driver.
Signed-off-by: NLuis Alves <ljalvs@gmail.com>
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/dvb-frontends/si2168.c

@@ -278,6 +278,18 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
+	/* set DVB-C symbol rate */
+	if (c->delivery_system == SYS_DVBC_ANNEX_A) {
+		memcpy(cmd.args, "\x14\x00\x02\x11", 4);
+		cmd.args[4] = (c->symbol_rate / 1000) & 0xff;
+		cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
+		cmd.wlen = 6;
+		cmd.rlen = 4;
+		ret = si2168_cmd_execute(s, &cmd);
+		if (ret)
+			goto err;
+	}
+
 	memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6);
 	cmd.wlen = 6;
 	cmd.rlen = 4;