Method

FwupdPluginBackendget_device_parent

Declaration [src] 

FuDevice*
fu_backend_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 FuDevice
 

A FuDevice.
 The data is owned by the caller of the function.
subsystem 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 function.
 The value is a NUL terminated UTF-8 string.
error GError **
  The return location for a GError*, or NULL.

Return value

Returns: FuDevice
 

A FuDevice or NULL if not found or unimplemented.
 The caller of the method takes ownership of the data, and is responsible for freeing it.