diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 3af8df8b850a9f1c6f5de756f51b675b55323b0f..da4422e8cbb42ab9c1eb8876169dee26a96b2d38 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -741,8 +741,8 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
 		if (rval)
 			return rval;
 
-		dev_dbg(&client->dev, "bpp %d, compressed %d\n",
-			fmt >> 8, (u8)fmt);
+		dev_dbg(&client->dev, "%u: bpp %u, compressed %u\n",
+			i, fmt >> 8, (u8)fmt);
 
 		for (j = 0; j < ARRAY_SIZE(smiapp_csi_data_formats); j++) {
 			const struct smiapp_csi_data_format *f =