linux-kernel - [RFCv3 13/17] videodev2.h: add request_fd field to v4l2_ext

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Message-Id: <20180207014821.164536-14-acourbot@chromium.org>
Date:   Wed,  7 Feb 2018 10:48:17 +0900
From:   Alexandre Courbot <acourbot@...omium.org>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Pawel Osciak <posciak@...omium.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Tomasz Figa <tfiga@...omium.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Gustavo Padovan <gustavo.padovan@...labora.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexandre Courbot <acourbot@...omium.org>
Subject: [RFCv3 13/17] videodev2.h: add request_fd field to v4l2_ext_controls

Allow to specify a request to be used with the S_EXT_CTRLS and
G_EXT_CTRLS operations.

Signed-off-by: Alexandre Courbot <acourbot@...omium.org>
---
 include/uapi/linux/videodev2.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 4fd46ae8fad5..91cfe0cbd5c5 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1592,7 +1592,8 @@ struct v4l2_ext_controls {
 	};
 	__u32 count;
 	__u32 error_idx;
-	__u32 reserved[2];
+	__s32 request_fd;
+	__u32 reserved[1];
 	struct v4l2_ext_control *controls;
 };
 
-- 
2.16.0.rc1.238.g530d649a79-goog