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charset="utf-8" From: Lad Prabhakar Implement the .get_frame_desc() subdev operation to report information about streams to the connected CSI-2 receiver. This is required to let the CSI-2 receiver driver know about virtual channels and data types for each stream. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ov5645.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index a3b9402d39af..e3706b6b5621 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -819,6 +820,29 @@ static const struct v4l2_ctrl_ops ov5645_ctrl_ops =3D { .s_ctrl =3D ov5645_s_ctrl, }; =20 +static int ov5645_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct v4l2_subdev_state *state; + u32 code; + + state =3D v4l2_subdev_lock_and_get_active_state(sd); + code =3D v4l2_subdev_state_get_format(state, OV5645_PAD_SOURCE, 0)->code; + v4l2_subdev_unlock_state(state); + + fd->type =3D V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + fd->num_entries =3D 1; + + memset(fd->entry, 0, sizeof(fd->entry)); + + fd->entry[0].pixelcode =3D code; + fd->entry[0].stream =3D 0; + fd->entry[0].bus.csi2.vc =3D 0; + fd->entry[0].bus.csi2.dt =3D MIPI_CSI2_DT_YUV422_8B; + + return 0; +} + static int ov5645_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) @@ -991,6 +1015,7 @@ static const struct v4l2_subdev_video_ops ov5645_video= _ops =3D { }; =20 static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops =3D { + .get_frame_desc =3D ov5645_get_frame_desc, .enum_mbus_code =3D ov5645_enum_mbus_code, .enum_frame_size =3D ov5645_enum_frame_size, .get_fmt =3D v4l2_subdev_get_fmt, --=20 2.43.0