[media] v4l: v4l2_subdev pad-level operations

Add a v4l2_subdev_pad_ops structure for the operations that need to be
performed at the pad level such as format-related operations.

Pad format-related operations use v4l2_mbus_framefmt instead of
v4l2_format.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index f5dddacf8499..d4d3653426a9 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -413,6 +413,9 @@ struct v4l2_subdev_ir_ops {
                                 struct v4l2_subdev_ir_parameters *params);
 };
 
+struct v4l2_subdev_pad_ops {
+};
+
 struct v4l2_subdev_ops {
         const struct v4l2_subdev_core_ops       *core;
         const struct v4l2_subdev_tuner_ops      *tuner;
@@ -421,6 +424,7 @@ struct v4l2_subdev_ops {
         const struct v4l2_subdev_vbi_ops        *vbi;
         const struct v4l2_subdev_ir_ops         *ir;
         const struct v4l2_subdev_sensor_ops     *sensor;
+        const struct v4l2_subdev_pad_ops        *pad;
 };
 
 /*