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charset="utf-8" From: Guoniu Zhou Implement .get_frame_desc subdev callback since downstream subdev need to get frame description. Signed-off-by: Guoniu Zhou --- drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/= platform/nxp/imx8mq-mipi-csi2.c index 3de9007ad122..ed6578f7f0f9 100644 --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c @@ -689,6 +689,37 @@ static int imx8mq_mipi_csi_set_fmt(struct v4l2_subdev = *sd, return 0; } =20 +static int imx8mq_mipi_csi_get_frame_desc(struct v4l2_subdev *sd, + unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct v4l2_mbus_frame_desc_entry *entry =3D &fd->entry[0]; + const struct csi2_pix_format *csi2_fmt; + const struct v4l2_mbus_framefmt *fmt; + struct v4l2_subdev_state *state; + + if (pad !=3D MIPI_CSI2_PAD_SOURCE) + return -EINVAL; + + state =3D v4l2_subdev_lock_and_get_active_state(sd); + fmt =3D v4l2_subdev_state_get_format(state, MIPI_CSI2_PAD_SOURCE); + csi2_fmt =3D find_csi2_format(fmt->code); + v4l2_subdev_unlock_state(state); + + if (!csi2_fmt) + return -EPIPE; + + fd->type =3D V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + fd->num_entries =3D 1; + + entry->flags =3D 0; + entry->pixelcode =3D csi2_fmt->code; + entry->bus.csi2.vc =3D 0; + entry->bus.csi2.dt =3D csi2_fmt->data_type; + + return 0; +} + static const struct v4l2_subdev_video_ops imx8mq_mipi_csi_video_ops =3D { .s_stream =3D imx8mq_mipi_csi_s_stream, }; @@ -697,6 +728,7 @@ static const struct v4l2_subdev_pad_ops imx8mq_mipi_csi= _pad_ops =3D { .enum_mbus_code =3D imx8mq_mipi_csi_enum_mbus_code, .get_fmt =3D v4l2_subdev_get_fmt, .set_fmt =3D imx8mq_mipi_csi_set_fmt, + .get_frame_desc =3D imx8mq_mipi_csi_get_frame_desc, }; =20 static const struct v4l2_subdev_ops imx8mq_mipi_csi_subdev_ops =3D { --=20 2.34.1