diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 5901484011b90b29b7fae95684d6cac69722a4e3..cf97142e01e6a34c3ebd30cf6e143c5599dab919 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -1,5 +1,5 @@
 /*
- * Silicon Labs Si2157/2158 silicon tuner driver
+ * Silicon Labs Si2147/2157/2158 silicon tuner driver
  *
  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
  *
@@ -113,12 +113,14 @@ static int si2157_init(struct dvb_frontend *fe)
 
 	#define SI2158_A20 ('A' << 24 | 58 << 16 | '2' << 8 | '0' << 0)
 	#define SI2157_A30 ('A' << 24 | 57 << 16 | '3' << 8 | '0' << 0)
+	#define SI2147_A30 ('A' << 24 | 47 << 16 | '3' << 8 | '0' << 0)
 
 	switch (chip_id) {
 	case SI2158_A20:
 		fw_file = SI2158_A20_FIRMWARE;
 		break;
 	case SI2157_A30:
+	case SI2147_A30:
 		goto skip_fw_download;
 		break;
 	default:
@@ -265,7 +267,14 @@ static int si2157_set_params(struct dvb_frontend *fe)
 	if (s->inversion)
 		cmd.args[5] = 0x01;
 	cmd.wlen = 6;
-	cmd.rlen = 1;
+	cmd.rlen = 4;
+	ret = si2157_cmd_execute(s, &cmd);
+	if (ret)
+		goto err;
+
+	memcpy(cmd.args, "\x14\x00\x02\x07\x01\x00", 6);
+	cmd.wlen = 6;
+	cmd.rlen = 4;
 	ret = si2157_cmd_execute(s, &cmd);
 	if (ret)
 		goto err;
diff --git a/drivers/media/tuners/si2157.h b/drivers/media/tuners/si2157.h
index 6da4d5d1c8178b25ad5e3965e5a90b06dbd2865f..d3b19cadb4a16d04fa83fbafd7e483514bfc6e1e 100644
--- a/drivers/media/tuners/si2157.h
+++ b/drivers/media/tuners/si2157.h
@@ -1,5 +1,5 @@
 /*
- * Silicon Labs Si2157/2158 silicon tuner driver
+ * Silicon Labs Si2147/2157/2158 silicon tuner driver
  *
  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
  *
diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h
index 4080a57962f012474d3733c9059d4af365ae9e85..e71ffafed951b804f7a272a5ecc12795e86f30d5 100644
--- a/drivers/media/tuners/si2157_priv.h
+++ b/drivers/media/tuners/si2157_priv.h
@@ -1,5 +1,5 @@
 /*
- * Silicon Labs Si2157/2158 silicon tuner driver
+ * Silicon Labs Si2147/2157/2158 silicon tuner driver
  *
  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
  *