Virtual Method

FwupdPluginBackendget_device_parent

since: 2.0.0

Declaration [src]

FuDevice*
get_device_parent (
  FuBackend* self,
  FuDevice* device,
  const gchar* subsystem,
  GError** error
)

Description [src]

Asks the backend to create the parent device (of the correct type) for a given device subsystem.

Available since: 2.0.0

Parameters

device

Type: FuDevice

A FuDevice.

The data is owned by the caller of the method.

subsystem

Type: const gchar*

An optional device subsystem, e.g. “usb:usb_device”.

The argument can be NULL.

The data is owned by the caller of the method.

The value is a NUL terminated UTF-8 string.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.

If the return location is not NULL, then you must initialize it to a NULL GError*.

The argument will be left initialized to NULL by the virtual function if there are no errors.

In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: FuDevice

A FuDevice or NULL if not found or unimplemented.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.