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authorAlexandre Courbot <acourbot@chromium.org>2018-05-21 04:54:35 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-08-31 11:08:55 -0400
commitf23317adf6a726b9dbedbe3a0363846f597cc0e8 (patch)
tree0a3349b9921fee333a758911bc8e66eb42f4eae1 /include/uapi/linux/videodev2.h
parentmedia: v4l2-dev: lock req_queue_mutex (diff)
downloadlinux-dev-f23317adf6a726b9dbedbe3a0363846f597cc0e8.tar.xz
linux-dev-f23317adf6a726b9dbedbe3a0363846f597cc0e8.zip
media: videodev2.h: add request_fd field to v4l2_ext_controls
If 'which' is V4L2_CTRL_WHICH_REQUEST_VAL, then the 'request_fd' field can be used to specify a request for the G/S/TRY_EXT_CTRLS ioctls. Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
-rw-r--r--include/uapi/linux/videodev2.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 622f0479d668..ec62d376ba61 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1606,7 +1606,8 @@ struct v4l2_ext_controls {
};
__u32 count;
__u32 error_idx;
- __u32 reserved[2];
+ __s32 request_fd;
+ __u32 reserved[1];
struct v4l2_ext_control *controls;
};
@@ -1619,6 +1620,7 @@ struct v4l2_ext_controls {
#define V4L2_CTRL_MAX_DIMS (4)
#define V4L2_CTRL_WHICH_CUR_VAL 0
#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
+#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
enum v4l2_ctrl_type {
V4L2_CTRL_TYPE_INTEGER = 1,