sound/soc/intel/avs/boards/probe.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
   4 //
   5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
   6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
   7 //
   8
   9 #include <linux/device.h>
  10 #include <linux/module.h>
  11 #include <sound/soc.h>
  12 #include <sound/soc-acpi.h>
  13
  14 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
  15 SND_SOC_DAILINK_DEF(probe_cp, DAILINK_COMP_ARRAY(COMP_CPU("Probe Extraction CPU DAI")));
  16 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("probe-platform")));
  17
  18 static struct snd_soc_dai_link probe_mb_dai_links[] = {
  19         {
  20                 .name = "Compress Probe Capture",
  21                 .nonatomic = 1,
  22                 SND_SOC_DAILINK_REG(probe_cp, dummy, platform),
  23         },
  24 };
  25
  26 static int avs_probe_mb_probe(struct platform_device *pdev)
  27 {
  28         struct device *dev = &pdev->dev;
  29         struct snd_soc_acpi_mach *mach;
  30         struct snd_soc_card *card;
  31         int ret;
  32
  33         mach = dev_get_platdata(dev);
  34
  35         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
  36         if (!card)
  37                 return -ENOMEM;
  38
  39         card->name = "avs_probe_mb";
  40         card->dev = dev;
  41         card->owner = THIS_MODULE;
  42         card->dai_link = probe_mb_dai_links;
  43         card->num_links = ARRAY_SIZE(probe_mb_dai_links);
  44         card->fully_routed = true;
  45
  46         ret = snd_soc_fixup_dai_links_platform_name(card, mach->mach_params.platform);
  47         if (ret)
  48                 return ret;
  49
  50         return devm_snd_soc_register_card(dev, card);
  51 }
  52
  53 static const struct platform_device_id avs_probe_mb_driver_ids[] = {
  54         {
  55                 .name = "avs_probe_mb",
  56         },
  57         {},
  58 };
  59 MODULE_DEVICE_TABLE(platform, avs_probe_mb_driver_ids);
  60
  61 static struct platform_driver avs_probe_mb_driver = {
  62         .probe = avs_probe_mb_probe,
  63         .driver = {
  64                 .name = "avs_probe_mb",
  65                 .pm = &snd_soc_pm_ops,
  66         },
  67         .id_table = avs_probe_mb_driver_ids,
  68 };
  69
  70 module_platform_driver(avs_probe_mb_driver);
  71
  72 MODULE_DESCRIPTION("Intel probe machine driver");
  73 MODULE_LICENSE("GPL");