3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index c1a638c8565d..282dc92cb102 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -339,6 +339,8 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
 
 	memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6);
 	cmd.args[4] = delivery_system | bandwidth;
+	if (dev->spectral_inversion)
+		cmd.args[5] |= 1;
 	cmd.wlen = 6;
 	cmd.rlen = 4;
 	ret = si2168_cmd_execute(client, &cmd);
@@ -798,6 +800,7 @@ static int si2168_probe(struct i2c_client *client,
 	dev->ts_mode = config->ts_mode;
 	dev->ts_clock_inv = config->ts_clock_inv;
 	dev->ts_clock_gapped = config->ts_clock_gapped;
+	dev->spectral_inversion = config->spectral_inversion;
 
 	dev_info(&client->dev, "Silicon Labs Si2168-%c%d%d successfully identified\n",
 		 dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
diff --git a/drivers/media/dvb-frontends/si2168.h b/drivers/media/dvb-frontends/si2168.h
index f48f0fb0ad69..d519edd26c21 100644
--- a/drivers/media/dvb-frontends/si2168.h
+++ b/drivers/media/dvb-frontends/si2168.h
@@ -46,6 +46,9 @@ struct si2168_config {
 
 	/* TS clock gapped */
 	bool ts_clock_gapped;
+
+	/* Inverted spectrum */
+	bool spectral_inversion;
 };
 
 #endif
diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h
index 3c8746a20038..2d362e162ade 100644
--- a/drivers/media/dvb-frontends/si2168_priv.h
+++ b/drivers/media/dvb-frontends/si2168_priv.h
@@ -48,6 +48,7 @@ struct si2168_dev {
 	u8 ts_mode;
 	bool ts_clock_inv;
 	bool ts_clock_gapped;
+	bool spectral_inversion;
 };
 
 /* firmware command struct */