From 15f8f2dddbf81923aec60284435961a1343c4917 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sat, 9 Jun 2018 14:52:10 +0300
Subject: Import the g_uvc.h header from the kernel sources

In order to avoid depending on an external kernel source tree recent
enough to provide the g_uvc.h header, import in the the project.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 include/linux/usb/g_uvc.h | 40 ++++++++++++++++++++++++++++++++++++++++
 lib/CMakeLists.txt        |  5 ++---
 2 files changed, 42 insertions(+), 3 deletions(-)
 create mode 100644 include/linux/usb/g_uvc.h

diff --git a/include/linux/usb/g_uvc.h b/include/linux/usb/g_uvc.h
new file mode 100644
index 0000000..491b8ab
--- /dev/null
+++ b/include/linux/usb/g_uvc.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* This file is imported from the Linux kernel, don't modify it manually. */
+/*
+ * g_uvc.h  --  USB Video Class Gadget driver API
+ *
+ * Copyright (C) 2009-2010 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ */
+
+#ifndef __LINUX_USB_G_UVC_H
+#define __LINUX_USB_G_UVC_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/usb/ch9.h>
+
+#define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)
+#define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)
+#define UVC_EVENT_DISCONNECT		(V4L2_EVENT_PRIVATE_START + 1)
+#define UVC_EVENT_STREAMON		(V4L2_EVENT_PRIVATE_START + 2)
+#define UVC_EVENT_STREAMOFF		(V4L2_EVENT_PRIVATE_START + 3)
+#define UVC_EVENT_SETUP			(V4L2_EVENT_PRIVATE_START + 4)
+#define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)
+#define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)
+
+struct uvc_request_data {
+	__s32 length;
+	__u8 data[60];
+};
+
+struct uvc_event {
+	union {
+		enum usb_device_speed speed;
+		struct usb_ctrlrequest req;
+		struct uvc_request_data data;
+	};
+};
+
+#define UVCIOC_SEND_RESPONSE		_IOW('U', 1, struct uvc_request_data)
+
+#endif /* __LINUX_USB_G_UVC_H */
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index c798d3b..ca08fd7 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -6,10 +6,9 @@ add_library(uvcgadget ${SOURCES})
 set_target_properties(uvcgadget PROPERTIES PUBLIC_HEADER "${HEADERS}")
 target_include_directories(uvcgadget
 	PUBLIC
+	$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>
 	$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include/uvcgadget>
-	$<INSTALL_INTERFACE:include>
-	PRIVATE
-	${KERNEL_INCLUDE_DIR})
+	$<INSTALL_INTERFACE:include>)
 
 install(TARGETS uvcgadget
 	LIBRARY DESTINATION lib
-- 
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