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-rw-r--r--include/media/v4l2-dev.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 4602c15ff878..ad2d41952442 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -82,11 +82,18 @@ struct v4l2_ctrl_handler;
* but the old crop API will still work as expected in order to preserve
* backwards compatibility.
* Never set this flag for new drivers.
+ * @V4L2_FL_SUBDEV_RO_DEVNODE:
+ * indicates that the video device node is registered in read-only mode.
+ * The flag only applies to device nodes registered for sub-devices, it is
+ * set by the core when the sub-devices device nodes are registered with
+ * v4l2_device_register_ro_subdev_nodes() and used by the sub-device ioctl
+ * handler to restrict access to some ioctl calls.
*/
enum v4l2_video_device_flags {
V4L2_FL_REGISTERED = 0,
V4L2_FL_USES_V4L2_FH = 1,
V4L2_FL_QUIRK_INVERTED_CROP = 2,
+ V4L2_FL_SUBDEV_RO_DEVNODE = 3,
};
/* Priority helper functions */