diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 2f2f5047452b..17601e32083e 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -418,24 +418,33 @@ static int pl2303_detect_type(struct usb_serial *serial)
 	bcdDevice = le16_to_cpu(desc->bcdDevice);
 	bcdUSB = le16_to_cpu(desc->bcdUSB);
 
-	switch (bcdDevice) {
-	case 0x100:
-		/*
-		 * Assume it's an HXN-type if the device doesn't support the old read
-		 * request value.
-		 */
-		if (bcdUSB == 0x200 && !pl2303_supports_hx_status(serial))
-			return TYPE_HXN;
+	switch (bcdUSB) {
+	case 0x110:
+		switch (bcdDevice) {
+		case 0x300:
+			return TYPE_HX;
+		case 0x400:
+			return TYPE_HXD;
+		default:
+			return TYPE_HX;
+		}
 		break;
-	case 0x300:
-		if (bcdUSB == 0x200)
+	case 0x200:
+		switch (bcdDevice) {
+		case 0x100:
+			/*
+			 * Assume it's an HXN-type if the device doesn't
+			 * support the old read request value.
+			 */
+			if (!pl2303_supports_hx_status(serial))
+				return TYPE_HXN;
+			break;
+		case 0x300:
 			return TYPE_TA;
-
-		return TYPE_HX;
-	case 0x400:
-		return TYPE_HXD;
-	case 0x500:
-		return TYPE_TB;
+		case 0x500:
+			return TYPE_TB;
+		}
+		break;
 	}
 
 	dev_err(&serial->interface->dev,