diff options
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/au0828/au0828-core.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index cc22b32776ad..321ea5cf1329 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -131,22 +131,36 @@ static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, return status; } +#ifdef CONFIG_MEDIA_CONTROLLER +static void au0828_media_graph_notify(struct media_entity *new, + void *notify_data); +#endif + static void au0828_unregister_media_device(struct au0828_dev *dev) { - #ifdef CONFIG_MEDIA_CONTROLLER - if (dev->media_dev && - media_devnode_is_registered(&dev->media_dev->devnode)) { - /* clear enable_source, disable_source */ - dev->media_dev->source_priv = NULL; - dev->media_dev->enable_source = NULL; - dev->media_dev->disable_source = NULL; - - media_device_unregister(dev->media_dev); - media_device_cleanup(dev->media_dev); - kfree(dev->media_dev); - dev->media_dev = NULL; + struct media_device *mdev = dev->media_dev; + struct media_entity_notify *notify, *nextp; + + if (!mdev || !media_devnode_is_registered(&mdev->devnode)) + return; + + /* Remove au0828 entity_notify callbacks */ + list_for_each_entry_safe(notify, nextp, &mdev->entity_notify, list) { + if (notify->notify != au0828_media_graph_notify) + continue; + media_device_unregister_entity_notify(mdev, notify); } + + /* clear enable_source, disable_source */ + dev->media_dev->source_priv = NULL; + dev->media_dev->enable_source = NULL; + dev->media_dev->disable_source = NULL; + + media_device_unregister(dev->media_dev); + media_device_cleanup(dev->media_dev); + kfree(dev->media_dev); + dev->media_dev = NULL; #endif } |