[media] media: bt8xx: constify sp887x_config structure

---
 drivers/media/pci/bt8xx/dvb-bt8xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c
index 8aeb14c..e69d338 100644
--- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
@@ -318,7 +318,7 @@ static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const s
 	return request_firmware(fw, name, &bt->bt->dev->dev);
 }
 
-static struct sp887x_config microtune_mt7202dtf_config = {
+static const struct sp887x_config microtune_mt7202dtf_config = {
 	.demod_address = 0x70,
 	.request_firmware = microtune_mt7202dtf_request_firmware,
 };