linux-kernel - [PATCH v4 1/6] usb: uvc: include videodev2.h in g

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Message-Id: <20190106160221.4480-2-paul.elder@ideasonboard.com>
Date:   Sun,  6 Jan 2019 11:02:16 -0500
From:   Paul Elder <paul.elder@...asonboard.com>
To:     laurent.pinchart@...asonboard.com, kieran.bingham@...asonboard.com
Cc:     Paul Elder <paul.elder@...asonboard.com>, b-liu@...com,
        stern@...land.harvard.edu, rogerq@...com, balbi@...nel.org,
        gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/6] usb: uvc: include videodev2.h in g_uvc.h

V4L2_EVENT_PRIVATE_START is used in g_uvc.h but is defined in
videodev2.h, which is not included and causes a compiler warning:

linux/usb/g_uvc.h:15:28: error: ‘V4L2_EVENT_PRIVATE_START’ undeclared here (not in a function)
 #define UVC_EVENT_FIRST   (V4L2_EVENT_PRIVATE_START + 0)

Include videodev2.h in g_uvc.h.

Signed-off-by: Paul Elder <paul.elder@...asonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
---
No change from v3
No change from v2
No change from v1

 include/uapi/linux/usb/g_uvc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/usb/g_uvc.h b/include/uapi/linux/usb/g_uvc.h
index 3c9ee3020cbb..6698c3263ae8 100644
--- a/include/uapi/linux/usb/g_uvc.h
+++ b/include/uapi/linux/usb/g_uvc.h
@@ -11,6 +11,7 @@
 #include <linux/ioctl.h>
 #include <linux/types.h>
 #include <linux/usb/ch9.h>
+#include <linux/videodev2.h>
 
 #define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)
 #define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)
-- 
2.19.2