IOUSBGetSuperSpeedDeviceCapabilityDescriptor(_:)
Obtains the first SuperSpeed capability descriptor in a BOS descriptor.
Declaration
func IOUSBGetSuperSpeedDeviceCapabilityDescriptor(_ bosDescriptor: UnsafePointer<IOUSBBOSDescriptor>!) -> UnsafePointer<IOUSBDeviceCapabilitySuperSpeedUSB>!Parameters
- bosDescriptor:
A BOS descriptor that contains the descriptors to iterate through.
Return Value
A SuperSpeed capability pointer, or nil if no matching descriptor returns.
Discussion
This method uses IOUSBGetNextCapabilityDescriptorWithType(_:_:_:) to find the first SuperSpeed capability descriptor.