1 /*
2 * Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
3 *
4 * Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
5 * the the people's Republic of China and other countries.
6 * All Allwinner Technology Co.,Ltd. trademarks are used with permission.
7 *
8 * DISCLAIMER
9 * THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
10 * IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
11 * IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
12 * ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
13 * ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
15 * YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
16 *
17 *
18 * THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
19 * PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
20 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
21 * THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23 * IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
30 * OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <errno.h>
35 #include <aw-alsa-lib/pcm_plugin.h>
36 #include <aw-alsa-lib/pcm_config.h>
37 #include "pcm_local.h"
38
_snd_pcm_asym_open(snd_pcm_t ** pcmp,const snd_pcm_config_t * pcm_config,snd_pcm_stream_t stream,int mode)39 int _snd_pcm_asym_open(snd_pcm_t **pcmp, const snd_pcm_config_t *pcm_config,
40 snd_pcm_stream_t stream, int mode)
41 {
42 int ret;
43 const snd_pcm_asym_config_t *asym_config = (const snd_pcm_asym_config_t *)(pcm_config->config);
44 const snd_pcm_config_t *sconf = NULL;
45
46 awalsa_debug("\n");
47 if (stream == SND_PCM_STREAM_PLAYBACK)
48 sconf = snd_pcm_config_get_config(asym_config->playback_pcm);
49 else
50 sconf = snd_pcm_config_get_config(asym_config->capture_pcm);
51 if (!sconf) {
52 awalsa_err("can't find asym pcm\n");
53 return -EINVAL;
54 }
55
56 ret = snd_pcm_open_config(pcmp, sconf, stream, mode);
57
58 return ret;
59 }
60