Lines Matching +full:zero +full:- +full:initialised

1 /* SPDX-License-Identifier: GPL-2.0-only */
17 #include <media/media-devnode.h>
18 #include <media/media-entity.h>
25  * struct media_entity_notify - Media Entity Notify
43  * struct media_device_ops - Media device operations
75  * struct media_device - Media device
79  *		%MEDIA_IOC_DEVICE_INFO will return ``dev->driver->name``.
110  * This structure represents an abstract high-level media device. It allows easy
111  * access to entities and provides basic media device-level support. The
129  * Use-case: find tuner entity connected to the decoder
145 	/* dev->driver_data points to this struct. */
195  * media_entity_enum_init - Initialise an entity enumeration
197  * @ent_enum: Entity enumeration to be initialised
200  * Return: zero on success or a negative error code.
206 					mdev->entity_internal_idx_max + 1);  in media_entity_enum_init()
210  * media_device_init() - Initializes a media device element
216  * to avoid race conditions and make the media device available to user-space
226  * media_device_cleanup() - Cleanups a media device element
236  * __media_device_register() - Registers a media device element
246  *  - &media_entity.dev must point to the parent device (usually a &pci_dev,
249  *  - &media_entity.model must be filled with the device model name as a
250  *    NUL-terminated UTF-8 string. The device/model revision must not be
255  *  - &media_entity.serial is a unique serial number stored as a
256  *    NUL-terminated ASCII string. The field is big enough to store a GUID
260  *  - &media_entity.bus_info represents the location of the device in the
261  *    system as a NUL-terminated ASCII string. For PCI/PCIe devices
267  *  - &media_entity.hw_revision is the hardware device revision in a
268  *    driver-specific format. When possible the revision should be formatted
273 …*    #) Upon successful registration a character device named media[0-9]+ is created. The device m…
277  * Return: returns zero on success or a negative error code.
284  * media_device_register() - Registers a media device element
294  * media_device_unregister() - Unregisters a media device element
298  * It is safe to call this function on an unregistered (but initialised)
304  * media_device_register_entity() - registers a media entity inside a
318  * calling media_device_register_entity(). Entities embedded in higher-level
319  * standard structures can have some of those fields set by the higher-level
343  * media_device_unregister_entity() - unregisters a media entity.
364  * media_device_register_entity_notify() - Registers a media entity_notify
380  * media_device_unregister_entity_notify() - Unregister a media entity notify
392 	list_for_each_entry(entity, &(mdev)->entities, graph_obj.list)
396 	list_for_each_entry(intf, &(mdev)->interfaces, graph_obj.list)
400 	list_for_each_entry(pad, &(mdev)->pads, graph_obj.list)
404 	list_for_each_entry(link, &(mdev)->links, graph_obj.list)
407  * media_device_pci_init() - create and initialize a
419  * __media_device_usb_init() - create and initialize a
427  *		given by ``udev->dev->driver->name``, with is usually the wrong
484  * media_device_usb_init() - create and initialize a