| /* |
| * Copyright (c) 2016, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Intel Corporation nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
| */ |
| |
| #include <stdint.h> |
| #include <stddef.h> |
| #include <sof/lock.h> |
| #include <sof/list.h> |
| #include <sof/stream.h> |
| #include <sof/audio/component.h> |
| |
| /* tracing */ |
| #define trace_switch(__e) trace_event(TRACE_CLASS_SWITCH, __e) |
| #define trace_switch_error(__e) trace_error(TRACE_CLASS_SWITCH, __e) |
| #define tracev_switch(__e) tracev_event(TRACE_CLASS_SWITCH, __e) |
| |
| static struct comp_dev *switch_new(struct sof_ipc_comp *comp) |
| { |
| trace_switch("new"); |
| |
| return NULL; |
| } |
| |
| static void switch_free(struct comp_dev *dev) |
| { |
| |
| } |
| |
| /* set component audio stream parameters */ |
| static int switch_params(struct comp_dev *dev) |
| { |
| |
| return 0; |
| } |
| |
| /* used to pass standard and bespoke commands (with data) to component */ |
| static int switch_cmd(struct comp_dev *dev, int cmd, void *data) |
| { |
| /* switch will use buffer "connected" status */ |
| return 0; |
| } |
| |
| /* copy and process stream data from source to sink buffers */ |
| static int switch_copy(struct comp_dev *dev) |
| { |
| |
| return 0; |
| } |
| |
| static int switch_reset(struct comp_dev *dev) |
| { |
| return 0; |
| } |
| |
| static int switch_prepare(struct comp_dev *dev) |
| { |
| return 0; |
| } |
| |
| struct comp_driver comp_switch = { |
| .type = SOF_COMP_SWITCH, |
| .ops = { |
| .new = switch_new, |
| .free = switch_free, |
| .params = switch_params, |
| .cmd = switch_cmd, |
| .copy = switch_copy, |
| .prepare = switch_prepare, |
| .reset = switch_reset, |
| }, |
| }; |
| |
| void sys_comp_switch_init(void) |
| { |
| comp_register(&comp_switch); |
| } |