From 4e4909aea6b462832c9a2419e859caa7a88a9312 Mon Sep 17 00:00:00 2001
From: avg <avg@FreeBSD.org>
Date: Mon, 21 May 2018 20:57:14 +0000
Subject: [PATCH] uchcom: report detected product based on USB product ID

Product IDs are specified in vendor documents.  The previously used
device ID is not.  This is a cosmetic change.  No functionality depends
on those IDs.

Reviewed by:	hselasky
MFC after:	2 weeks
---
 sys/dev/usb/serial/uchcom.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/sys/dev/usb/serial/uchcom.c b/sys/dev/usb/serial/uchcom.c
index 42baecf5d641..178b25a3ad6f 100644
--- a/sys/dev/usb/serial/uchcom.c
+++ b/sys/dev/usb/serial/uchcom.c
@@ -322,13 +322,17 @@ uchcom_attach(device_t dev)
 
 	sc->sc_udev = uaa->device;
 
-	switch (uaa->info.bcdDevice) {
-	case UCHCOM_REV_CH340:
+	switch (uaa->info.idProduct) {
+	case USB_PRODUCT_WCH2_CH341SER:
 		device_printf(dev, "CH340 detected\n");
 		break;
-	default:
+	case USB_PRODUCT_WCH2_CH341SER_2:
 		device_printf(dev, "CH341 detected\n");
 		break;
+	default:
+		device_printf(dev, "New CH340/CH341 product 0x%04x detected\n",
+		    uaa->info.idProduct);
+		break;
 	}
 
 	iface_index = UCHCOM_IFACE_INDEX;