v4l2_get_subdev_hostdata
if (v4l2_get_subdev_hostdata(&state->sd))
clk_freq = *((u32 *)v4l2_get_subdev_hostdata(&state->sd));
si = v4l2_get_subdev_hostdata(sd);
si = v4l2_get_subdev_hostdata(sd);
fimc->vid_cap.ve.pipe = v4l2_get_subdev_hostdata(sd);
isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd);
fimc->ve.pipe = v4l2_get_subdev_hostdata(sd);
si = v4l2_get_subdev_hostdata(fimc->sensor);
src_inf = v4l2_get_subdev_hostdata(sensor);
si = v4l2_get_subdev_hostdata(sensor);
pdata = v4l2_get_subdev_hostdata(sensor);
gc2235_info = v4l2_get_subdev_hostdata(sd);
ov2722_info = v4l2_get_subdev_hostdata(sd);
return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
csi = v4l2_get_subdev_hostdata(sd);
chan = v4l2_get_subdev_hostdata(&csi_chan->subdev);
struct tegra_vi_channel *chan = v4l2_get_subdev_hostdata(subdev);
struct tegra_vi_channel *chan = v4l2_get_subdev_hostdata(subdev);
struct tegra_vi_channel *vi_chan = v4l2_get_subdev_hostdata(&vip_chan->subdev);
chan = v4l2_get_subdev_hostdata(sd);