usbmode huawei alt mode patch

0001-Add-Huawei-alt-mode-support.patch

From 7b33451b684c5c2703ee8ff9a523c8384337eaa0 Mon Sep 17 00:00:00 2001
From: Jeremy Tan <jtanx@outlook.com>
Date: Thu, 27 Dec 2018 20:28:27 +0800
Subject: [PATCH] Add Huawei alt mode support


diff --git a/convert-modeswitch.pl b/convert-modeswitch.pl
index b1530bd..33f123b 100755
--- a/convert-modeswitch.pl
+++ b/convert-modeswitch.pl
@@ -68,6 +68,7 @@ my %options = (
 	MBIM => $mode_option,
 	HuaweiMode => $mode_option,
 	HuaweiNewMode => $mode_option,
+	HuaweiAltMode => $mode_option,
 	QuantaMode => $mode_option,
 	BlackberryMode => $mode_option,
 	PantechMode => $value_mode_option,
diff --git a/switch.c b/switch.c
index cc04237..df0d980 100644
--- a/switch.c
+++ b/switch.c
@@ -153,6 +153,20 @@ static void handle_huaweinew(struct usbdev_data *data, struct blob_attr **tb)
 	send_messages(data, msgs, ARRAY_SIZE(msgs));
 }
 
+static void handle_huaweialt(struct usbdev_data *data, struct blob_attr **tb)
+{
+	static struct msg_entry msgs[] = {
+		{
+			"\x55\x53\x42\x43\x12\x34\x56\x78\x00\x00\x00\x00\x00\x00\x00\x11"
+			"\x06\x30\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00", 31
+		}
+	};
+
+	detach_driver(data);
+	data->need_response = false;
+	send_messages(data, msgs, ARRAY_SIZE(msgs));
+}
+
 static void handle_option(struct usbdev_data *data, struct blob_attr **tb)
 {
 	static struct msg_entry msgs[] = {
@@ -418,6 +432,7 @@ enum {
 	MODE_GENERIC,
 	MODE_HUAWEI,
 	MODE_HUAWEINEW,
+	MODE_HUAWEIALT,
 	MODE_SIERRA,
 	MODE_STDEJECT,
 	MODE_SONY,
@@ -443,6 +458,7 @@ static const struct {
 	[MODE_STDEJECT] = { "StandardEject", handle_standardeject },
 	[MODE_HUAWEI] = { "Huawei", handle_huawei },
 	[MODE_HUAWEINEW] = { "HuaweiNew", handle_huaweinew },
+	[MODE_HUAWEIALT] = { "HuaweiAlt", handle_huaweialt },
 	[MODE_SIERRA] = { "Sierra", handle_sierra },
 	[MODE_SONY] = { "Sony", handle_sony },
 	[MODE_QISDA] = { "Qisda", handle_qisda },
-- 
2.11.0

Have you tried to get this accepted upstream to OpenWRT?