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Commit a375e1df authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mauro Carvalho Chehab
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[media] V4L: Add s_rx_buffer subdev video operation 



The s_rx_buffer callback allows the host to set buffer for a data being
received by the subdev, e.g. non-image frame (meta) data. This callback
can be implemented by subdevice like a MIPI CSI2 receiver, allowing the
host driver to gather additional data into frame buffer passed to user
space.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 24c54f77

include/media/v4l2-subdev.h

+6 −0
Original line number Original line Diff line number Diff line
@@ -274,6 +274,10 @@ struct v4l2_subdev_audio_ops { 
   s_mbus_config: set a certain mediabus configuration. This operation is added

   s_mbus_config: set a certain mediabus configuration. This operation is added

	for compatibility with soc-camera drivers and should not be used by new

	for compatibility with soc-camera drivers and should not be used by new

	software.

	software.



   s_rx_buffer: set a host allocated memory buffer for the subdev. The subdev

	can adjust @size to a lower value and must not write more data to the

	buffer starting at @data than the original value of @size.

 */

 */

struct v4l2_subdev_video_ops {

struct v4l2_subdev_video_ops {

	int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config);

	int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config);
@@ -327,6 +331,8 @@ struct v4l2_subdev_video_ops { 
			     struct v4l2_mbus_config *cfg);

			     struct v4l2_mbus_config *cfg);

	int (*s_mbus_config)(struct v4l2_subdev *sd,

	int (*s_mbus_config)(struct v4l2_subdev *sd,

			     const struct v4l2_mbus_config *cfg);

			     const struct v4l2_mbus_config *cfg);

	int (*s_rx_buffer)(struct v4l2_subdev *sd, void *buf,

			   unsigned int *size);

};

};





/*

/*