diff options
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-cards.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index d357e8c0c485..dfc7010cff7f 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -1159,6 +1159,42 @@ static void cx231xx_media_device_register(struct cx231xx *dev, #endif } +static void cx231xx_create_media_graph(struct cx231xx *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct media_entity *entity; + struct media_entity *tuner = NULL, *decoder = NULL; + + if (!mdev) + return; + + media_device_for_each_entity(entity, mdev) { + switch (entity->type) { + case MEDIA_ENT_T_V4L2_SUBDEV_TUNER: + tuner = entity; + break; + case MEDIA_ENT_T_V4L2_SUBDEV_DECODER: + decoder = entity; + break; + } + } + + /* Analog setup, using tuner as a link */ + + if (!decoder) + return; + + if (tuner) + media_entity_create_link(tuner, 0, decoder, 0, + MEDIA_LNK_FL_ENABLED); + media_entity_create_link(decoder, 1, &dev->vdev->entity, 0, + MEDIA_LNK_FL_ENABLED); + media_entity_create_link(decoder, 2, &dev->vbi_dev->entity, 0, + MEDIA_LNK_FL_ENABLED); +#endif +} + /* * cx231xx_init_dev() * allocates and inits the device structs, registers i2c bus and v4l device @@ -1616,6 +1652,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, /* load other modules required */ request_modules(dev); + cx231xx_create_media_graph(dev); + return 0; err_video_alt: /* cx231xx_uninit_dev: */ |