On 2/6/19 4:13 PM, Rui Miguel Silva wrote:
> Adds MIPI CSI-2 subdev for i.MX7 to connect with sensors with a MIPI
> CSI-2 interface.
>
> Signed-off-by: Rui Miguel Silva <rui.si...@linaro.org>
> ---
> drivers/staging/media/imx/Makefile | 1 +
> drivers/staging/media/imx/imx7-mipi-csis.c | 1186 ++++++++++++++++++++
> 2 files changed, 1187 insertions(+)
> create mode 100644 drivers/staging/media/imx/imx7-mipi-csis.c
>
> diff --git a/drivers/staging/media/imx/Makefile
> b/drivers/staging/media/imx/Makefile
> index 074f016d3519..d2d909a36239 100644
> --- a/drivers/staging/media/imx/Makefile
> +++ b/drivers/staging/media/imx/Makefile
> @@ -14,3 +14,4 @@ obj-$(CONFIG_VIDEO_IMX_CSI) += imx-media-csi.o
> obj-$(CONFIG_VIDEO_IMX_CSI) += imx6-mipi-csi2.o
>
> obj-$(CONFIG_VIDEO_IMX7_CSI) += imx7-media-csi.o
> +obj-$(CONFIG_VIDEO_IMX7_CSI) += imx7-mipi-csis.o
> diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c
> b/drivers/staging/media/imx/imx7-mipi-csis.c
> new file mode 100644
> index 000000000000..516d308dc44b
> --- /dev/null
> +++ b/drivers/staging/media/imx/imx7-mipi-csis.c
> @@ -0,0 +1,1186 @@
<snip>
> +static int mipi_csi_registered(struct v4l2_subdev *mipi_sd)
> +{
> + struct csi_state *state = mipi_sd_to_csis_state(mipi_sd);
> + unsigned int i;
> + int ret;
> +
> + for (i = 0; i < CSIS_PADS_NUM; i++) {
> + state->pads[i].flags = (i == CSIS_PAD_SINK) ?
> + MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
> + }
> +
> + /* set a default mbus format */
> + ret = imx_media_init_mbus_fmt(&state->format_mbus,
> + MIPI_CSIS_DEF_PIX_HEIGHT,
> + MIPI_CSIS_DEF_PIX_WIDTH, 0,
> + V4L2_FIELD_NONE, NULL);
> + if (ret)
> + return ret;
> +
> + return media_entity_pads_init(&mipi_sd->entity, CSIS_PADS_NUM,
> + state->pads);
> +}
> +
> +static const struct v4l2_subdev_core_ops mipi_csis_core_ops = {
> + .log_status = mipi_csis_log_status,
> +};
> +
> +static const struct media_entity_operations mipi_csis_entity_ops = {
> + .link_setup = mipi_csis_link_setup,
> + .link_validate = v4l2_subdev_link_validate,
> +};
> +
> +static const struct v4l2_subdev_video_ops mipi_csis_video_ops = {
> + .s_stream = mipi_csis_s_stream,
> +};
> +
> +static const struct v4l2_subdev_pad_ops mipi_csis_pad_ops = {
> + .init_cfg = mipi_csis_init_cfg,
> + .get_fmt = mipi_csis_get_fmt,
> + .set_fmt = mipi_csis_set_fmt,
> +};
> +
> +static const struct v4l2_subdev_ops mipi_csis_subdev_ops = {
> + .core = &mipi_csis_core_ops,
> + .video = &mipi_csis_video_ops,
> + .pad = &mipi_csis_pad_ops,
> +};
> +
> +static const struct v4l2_subdev_internal_ops mipi_csis_internal_ops = {
> + .registered = mipi_csi_registered,
> +};
This struct is not used, and therefor mipi_csi_registered() is never called
either. Should it be called or can this be removed?
Regards,
Hans
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