From 0ca4a10aa4e11c3c8345bc3ab8d96943ccd3f715 Mon Sep 17 00:00:00 2001
From: rltbg <contact@rltbg.com>
Date: Tue, 17 Feb 2026 13:44:11 +0100
Subject: [PATCH] working usb negociation networkmanager compatibility

---
 src/ch397_driver.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/ch397_driver.c b/src/ch397_driver.c
index 390e2c7..e402807 100644
--- a/src/ch397_driver.c
+++ b/src/ch397_driver.c
@@ -29,7 +29,8 @@ struct ch397_device {
 };
 
 static const struct usb_device_id ch397_table[] = {
-	{ USB_DEVICE(CH349_VENDOR_ID, CH349_PRODUCT_ID) },
+
+	{ USB_DEVICE(CH397_VENDOR_ID, CH397_PRODUCT_ID) },
 	{}
 };
 MODULE_DEVICE_TABLE(usb, ch397_table);
@@ -227,6 +228,9 @@ static int ch397_net_stop(struct net_device *netdev)
 	netif_stop_queue(netdev);
 	netif_carrier_off(netdev);
 	ch397_stop_rx(dev);
+
+	netif_carrier_off(netdev);
+
 	return 0;
 }
 
@@ -307,7 +311,8 @@ static int ch397_probe(struct usb_interface *interface,
 	int intf_num = interface->cur_altsetting->desc.bInterfaceNumber;
 
 	dev_info(&interface->dev,
-		 "Probing CH349 device (config %d, interface %d)\n", config_val,
+
+		 "Probing CH397 device (config %d, interface %d)\n", config_val,
 		 intf_num);
 
 	/*
@@ -424,8 +429,7 @@ static int ch397_probe(struct usb_interface *interface,
 	dev_info(&interface->dev, "CH397 attached as %s (MAC: %pM)\n",
 		 netdev->name, mac);
 
-	//if (retval)
-	//	goto error;
+	netif_carrier_off(netdev);
 
 	return 0;