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[02/20] v4l2-subdev.h: add pad and stream aware s_stream

Message ID 20170811095703.6170-3-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show

Commit Message

Niklas Söderlund Aug. 11, 2017, 9:56 a.m. UTC 
To be able to start and stop individual streams of a multiplexed pad the
s_stream operation needs to be both pad and stream aware. Add a new
operation to pad ops to facilitate this.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 include/media/v4l2-subdev.h | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 7e63124450a963da..c258b1524f94f8ff 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -643,6 +643,9 @@  struct v4l2_subdev_pad_config {
  *
  * @set_frame_desc: set the low level media bus frame parameters, @fd array
  *                  may be adjusted by the subdev driver to device capabilities.
+ *
+ * @s_stream: used to notify the driver that a stream will start or has
+ *	stopped.
  */
 struct v4l2_subdev_pad_ops {
 	int (*init_cfg)(struct v4l2_subdev *sd,
@@ -683,6 +686,8 @@  struct v4l2_subdev_pad_ops {
 			      struct v4l2_mbus_frame_desc *fd);
 	int (*set_frame_desc)(struct v4l2_subdev *sd, unsigned int pad,
 			      struct v4l2_mbus_frame_desc *fd);
+	int (*s_stream)(struct v4l2_subdev *sd, unsigned int pad,
+			unsigned int stream, int enable);
 };
 
 /**