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authorNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>2018-05-17 10:30:16 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-07-24 17:39:28 -0400
commit56ab8cdbc1438507d79085fcc7e511327d84aeb8 (patch)
treecd7d3e72c22dfc26e9857793e65d1053ed19db3a /include
parentbe9543ec9e7423894473ec9314023e505e26fc52 (diff)
media: v4l: Add support for STD ioctls on subdev nodes
There is no way to control the standard of subdevices which are part of a media device. The ioctls which exists all target video devices explicitly and the idea is that the video device should talk to the subdevice. For subdevices part of a media graph this is not possible and the standard must be controlled on the subdev device directly. Add four new ioctls to be able to directly interact with subdevices and control the video standard; VIDIOC_SUBDEV_ENUMSTD, VIDIOC_SUBDEV_G_STD, VIDIOC_SUBDEV_S_STD and VIDIOC_SUBDEV_QUERYSTD. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/v4l2-subdev.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/v4l2-subdev.h b/include/uapi/linux/v4l2-subdev.h
index c95a53e6743c..03970ce30741 100644
--- a/include/uapi/linux/v4l2-subdev.h
+++ b/include/uapi/linux/v4l2-subdev.h
@@ -170,8 +170,12 @@ struct v4l2_subdev_selection {
#define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection)
#define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection)
/* The following ioctls are identical to the ioctls in videodev2.h */
+#define VIDIOC_SUBDEV_G_STD _IOR('V', 23, v4l2_std_id)
+#define VIDIOC_SUBDEV_S_STD _IOW('V', 24, v4l2_std_id)
+#define VIDIOC_SUBDEV_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid)
#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid)
+#define VIDIOC_SUBDEV_QUERYSTD _IOR('V', 63, v4l2_std_id)
#define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
#define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)

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