linux-kernel - [PATCH 2/5] media: New flag V4L2_CTRL_FLAG_EXECUTE_ON

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Message-Id: <1426778486-21807-3-git-send-email-ricardo.ribalda@gmail.com>
Date:	Thu, 19 Mar 2015 16:21:23 +0100
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Hans Verkuil <hans.verkuil@...co.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Arun Kumar K <arun.kk@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Antti Palosaari <crope@....fi>, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH 2/5] media: New flag V4L2_CTRL_FLAG_EXECUTE_ON_WRITE

Create a new flag that represent controls that represent controls that
its value needs to be passed to the driver even if it has not changed.

They typically represent actions, like triggering a flash or clearing an
error flag.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 include/uapi/linux/videodev2.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index fbdc360..1e33e10 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1456,6 +1456,7 @@ struct v4l2_querymenu {
 #define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
 #define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
+#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
 
 /*  Query flags, to be ORed with the control ID */
 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
-- 
2.1.4

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