1 // SPDX-License-Identifier: GPL-2.0-only
2 // This file incorporates work covered by the following copyright notice:
3 // Copyright (c) 2023 Intel Corporation
4 // Copyright (c) 2024 Advanced Micro Devices, Inc.
5
6 /*
7 * soc_sdw_rt712_sdca - Helpers to handle RT712-SDCA from generic machine driver
8 */
9
10 #include <linux/device.h>
11 #include <linux/errno.h>
12 #include <linux/soundwire/sdw.h>
13 #include <linux/soundwire/sdw_type.h>
14 #include <sound/control.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
17 #include <sound/soc-dapm.h>
18 #include <sound/soc_sdw_utils.h>
19
20 /*
21 * dapm routes for rt712 spk will be registered dynamically according
22 * to the number of rt712 spk used. The first two entries will be registered
23 * for one codec case, and the last two entries are also registered
24 * if two rt712s are used.
25 */
26 static const struct snd_soc_dapm_route rt712_spk_map[] = {
27 { "Speaker", NULL, "rt712 SPOL" },
28 { "Speaker", NULL, "rt712 SPOR" },
29 };
30
31 int asoc_sdw_rt712_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
32 {
33 struct snd_soc_card *card = rtd->card;
34 int ret;
35
36 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
37 "%s spk:rt712",
38 card->components);
39 if (!card->components)
40 return -ENOMEM;
41
42 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_spk_map, ARRAY_SIZE(rt712_spk_map));
43 if (ret)
44 dev_err(rtd->dev, "failed to add SPK map: %d\n", ret);
45
46 return ret;
47 }
48 EXPORT_SYMBOL_NS(asoc_sdw_rt712_spk_rtd_init, SND_SOC_SDW_UTILS);
49
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