Quelle  acp6x-mach.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
/*
 * Machine driver for AMD Yellow Carp platform using DMIC
 *
 * Copyright 2021 Advanced Micro Devices, Inc.
 */

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/io.h>
#include <linux/dmi.h>
#include <linux/acpi.h>

#include "acp6x.h"

#define DRV_NAME "acp_yc_mach"

SND_SOC_DAILINK_DEF(acp6x_pdm,
      DAILINK_COMP_ARRAY(COMP_CPU("acp_yc_pdm_dma.0")));

SND_SOC_DAILINK_DEF(dmic_codec,
      DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
        "dmic-hifi")));

SND_SOC_DAILINK_DEF(pdm_platform,
      DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_yc_pdm_dma.0")));

static struct snd_soc_dai_link acp6x_dai_pdm[] = {
 {
  .name = "acp6x-dmic-capture",
  .stream_name = "DMIC capture",
  .capture_only = 1,
  SND_SOC_DAILINK_REG(acp6x_pdm, dmic_codec, pdm_platform),
 },
};

static struct snd_soc_card acp6x_card = {
 .name = "acp6x",
 .owner = THIS_MODULE,
 .dai_link = acp6x_dai_pdm,
 .num_links = 1,
};

static const struct dmi_system_id yc_acp_quirk_table[] = {
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Dell Inc."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5525"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D0"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D0"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D1"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D2"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D3"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D4"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21D5"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CF"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CG"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CQ"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CR"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CM"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CN"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CH"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CJ"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CK"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21CL"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21EF"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21EM"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21EN"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21HY"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21J0"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21J5"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21J6"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21M1"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21M3"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21M4"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21M5"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21M6"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "21ME"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82QF"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82TL"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82UG"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82UU"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82V2"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "82YM"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83AS"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83BS"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83HN"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83L3"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83N6"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83Q2"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83Q3"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "RB"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Nitro ANV15-41"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83J2"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
   DMI_MATCH(DMI_PRODUCT_NAME, "83J3"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "UM5302TA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M5402RA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M5602RA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M6400RC"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M3402RA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M6500RC"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M6501RM"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "E1404FA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "E1504FA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M7600RE"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
   DMI_MATCH(DMI_PRODUCT_NAME, "M3502RA"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 15 B7ED"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 15 C7VF"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 17 D7VEK"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 17 D7VF"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Alienware"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "TIMI"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Redmi Book Pro 14 2022"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "TIMI"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Redmi Book Pro 15 2022"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "TIMI"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Xiaomi Book Pro 14 2022"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "TIMI"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Redmi G 2022"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Razer"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Blade 14 (2022) - RZ09-0427"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "RB"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Swift SFA16-41"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "IRBIS"),
   DMI_MATCH(DMI_PRODUCT_NAME, "15NBC1011"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16z-n000"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Victus by HP Gaming Laptop 15-fb1xxx"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_PRODUCT_NAME, "Victus by HP Gaming Laptop 15-fb2xxx"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A42"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A43"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A44"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A22"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A3E"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A7F"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8A81"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8B27"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8B2F"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
   DMI_MATCH(DMI_BOARD_NAME, "8BD6"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "MECHREVO"),
   DMI_MATCH(DMI_BOARD_NAME, "MRID6"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "MDC"),
   DMI_MATCH(DMI_BOARD_NAME, "Herbag_MDU"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "System76"),
   DMI_MATCH(DMI_PRODUCT_VERSION, "pang12"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "System76"),
   DMI_MATCH(DMI_PRODUCT_VERSION, "pang13"),
  }
 },
 {
  .driver_data = &acp6x_card,
  .matches = {
   DMI_MATCH(DMI_BOARD_VENDOR, "Micro-Star International Co., Ltd."),
   DMI_MATCH(DMI_PRODUCT_NAME, "Bravo 15 C7UCX"),
  }
 },
 {}
};

static int acp6x_probe(struct platform_device *pdev)
{
 const struct dmi_system_id *dmi_id;
 struct acp6x_pdm *machine = NULL;
 struct snd_soc_card *card;
 struct acpi_device *adev;
 acpi_handle handle;
 acpi_integer dmic_status;
 int ret;
 bool is_dmic_enable, wov_en;

 /* IF WOV entry not found, enable dmic based on AcpDmicConnected entry*/
 is_dmic_enable = false;
 wov_en = true;
 /* check the parent device's firmware node has _DSD or not */
 adev = ACPI_COMPANION(pdev->dev.parent);
 if (adev) {
  const union acpi_object *obj;

  if (!acpi_dev_get_property(adev, "AcpDmicConnected", ACPI_TYPE_INTEGER, &obj) &&
      obj->integer.value == 1)
   is_dmic_enable = true;
 }

 handle = ACPI_HANDLE(pdev->dev.parent);
 ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
 if (!ACPI_FAILURE(ret)) {
  wov_en = dmic_status;
  if (!wov_en)
   return -ENODEV;
 } else {
  /* Incase of ACPI method read failure then jump to check_dmi_entry */
  goto check_dmi_entry;
 }

 if (is_dmic_enable)
  platform_set_drvdata(pdev, &acp6x_card);

check_dmi_entry:
 /* check for any DMI overrides */
 dmi_id = dmi_first_match(yc_acp_quirk_table);
 if (dmi_id)
  platform_set_drvdata(pdev, dmi_id->driver_data);

 card = platform_get_drvdata(pdev);
 if (!card)
  return -ENODEV;
 dev_info(&pdev->dev, "Enabling ACP DMIC support via %s", dmi_id ? "DMI" : "ACPI");
 acp6x_card.dev = &pdev->dev;

 snd_soc_card_set_drvdata(card, machine);
 ret = devm_snd_soc_register_card(&pdev->dev, card);
 if (ret) {
  return dev_err_probe(&pdev->dev, ret,
    "snd_soc_register_card(%s) failed\n",
    card->name);
 }
 return 0;
}

static struct platform_driver acp6x_mach_driver = {
 .driver = {
  .name = "acp_yc_mach",
  .pm = &snd_soc_pm_ops,
 },
 .probe = acp6x_probe,
};

module_platform_driver(acp6x_mach_driver);

MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_DESCRIPTION("AMD Yellow Carp support for DMIC");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRV_NAME);