diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 0cf0360588e6..1c04516155bd 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -53,7 +53,8 @@ MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
 
 /* ------------------------------------------------------------------ */
 
-#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
+#define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
+#define     BLACKBIRD_FIRM_IMAGE_SIZE 376836
 
 /* defines below are from ivtv-driver.h */
 
@@ -401,7 +402,7 @@ static int blackbird_find_mailbox(struct cx8802_dev *dev)
 	u32 value;
 	int i;
 
-	for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
+	for (i = 0; i < dev->fw_size; i++) {
 		memory_read(dev->core, i, &value);
 		if (value == signature[signaturecnt])
 			signaturecnt++;
@@ -449,12 +450,15 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
 		return -1;
 	}
 
-	if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
-		dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
-			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
+	if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) &&
+	    (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
+		dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
+			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
+			OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
 		release_firmware(firmware);
 		return -1;
 	}
+	dev->fw_size = firmware->size;
 
 	if (0 != memcmp(firmware->data, magic, 8)) {
 		dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index a9575ad8ca27..e775b4b59abe 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -459,6 +459,7 @@ struct cx8802_dev {
 	u32                        mailbox;
 	int                        width;
 	int                        height;
+	int                        fw_size;
 
 	/* for dvb only */
 	struct videobuf_dvb        dvb;