v4l2_spi_subdev_init
v4l2_spi_subdev_init(sd, spi, &gs_ops);
v4l2_spi_subdev_init(&dev->sd, spi, &msi001_ops);
EXPORT_SYMBOL_GPL(v4l2_spi_subdev_init);
void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,