struct vim2m_dev {
struct v4l2_device v4l2_dev;
struct video_device vfd;
-#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device mdev;
-#endif
atomic_t num_inst;
struct mutex dev_mutex;
v4l2_device_unregister(&dev->v4l2_dev);
v4l2_m2m_release(dev->m2m_dev);
-#ifdef CONFIG_MEDIA_CONTROLLER
media_device_cleanup(&dev->mdev);
-#endif
kfree(dev);
}
goto error_dev;
}
-#ifdef CONFIG_MEDIA_CONTROLLER
dev->mdev.dev = &pdev->dev;
strscpy(dev->mdev.model, "vim2m", sizeof(dev->mdev.model));
strscpy(dev->mdev.bus_info, "platform:vim2m",
media_device_init(&dev->mdev);
dev->mdev.ops = &m2m_media_ops;
dev->v4l2_dev.mdev = &dev->mdev;
-#endif
ret = video_register_device(vfd, VFL_TYPE_VIDEO, 0);
if (ret) {
v4l2_info(&dev->v4l2_dev,
"Device registered as /dev/video%d\n", vfd->num);
-#ifdef CONFIG_MEDIA_CONTROLLER
ret = v4l2_m2m_register_media_controller(dev->m2m_dev, vfd,
MEDIA_ENT_F_PROC_VIDEO_SCALER);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to register mem2mem media device\n");
goto error_m2m_mc;
}
-#endif
+
return 0;
-#ifdef CONFIG_MEDIA_CONTROLLER
error_m2m_mc:
v4l2_m2m_unregister_media_controller(dev->m2m_dev);
-#endif
error_v4l2:
video_unregister_device(&dev->vfd);
/* vim2m_device_release called by video_unregister_device to release various objects */
v4l2_info(&dev->v4l2_dev, "Removing " MEM2MEM_NAME);
-#ifdef CONFIG_MEDIA_CONTROLLER
media_device_unregister(&dev->mdev);
v4l2_m2m_unregister_media_controller(dev->m2m_dev);
-#endif
video_unregister_device(&dev->vfd);
}