| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <ddk/driver.h> |
| #include <ddktl/device-internal.h> |
| #include <zircon/assert.h> |
| |
| // Mixin for protocol which have no protocol ops. |
| |
| namespace ddk { |
| |
| template <uint32_t PROTO_ID> |
| class EmptyProtocol : public internal::base_protocol { |
| public: |
| EmptyProtocol() { |
| // Can only inherit from one base_protocol implementation |
| ZX_ASSERT(this->ddk_proto_id_ == 0); |
| ddk_proto_id_ = PROTO_ID; |
| } |
| }; |
| |
| } // namespace ddk |
