| /* Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef CRAS_EMPTY_IO_H_ |
| #define CRAS_EMPTY_IO_H_ |
| |
| #include "cras_types.h" |
| |
| struct cras_iodev; |
| |
| /* Initializes an empty iodev. Empty iodevs are used when there are no other |
| * iodevs available. They give the attached streams a temporary place to live |
| * until a new iodev becomes available. |
| * Args: |
| * direciton - input or output. |
| * node_type - the default node type. |
| * Returns: |
| * A pointer to the newly created iodev if successful, NULL otherwise. |
| */ |
| struct cras_iodev *empty_iodev_create(enum CRAS_STREAM_DIRECTION direction, |
| enum CRAS_NODE_TYPE node_type); |
| |
| /* Destroys an empty_iodev created with empty_iodev_create. */ |
| void empty_iodev_destroy(struct cras_iodev *iodev); |
| |
| #endif /* CRAS_EMPTY_IO_H_ */ |
