sound/pci/hda/cs35l41_hda_spi.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // CS35l41 HDA SPI driver
   4 //
   5 // Copyright 2021 Cirrus Logic, Inc.
   6 //
   7 // Author: Lucas Tanure <tanureal@opensource.cirrus.com>
   8
   9 #include <linux/mod_devicetable.h>
  10 #include <linux/module.h>
  11 #include <linux/spi/spi.h>
  12
  13 #include "cs35l41_hda.h"
  14
  15 static int cs35l41_hda_spi_probe(struct spi_device *spi)
  16 {
  17         const char *device_name;
  18
  19         /*
  20          * Compare against the device name so it works for SPI, normal ACPI
  21          * and for ACPI by serial-multi-instantiate matching cases.
  22          */
  23         if (strstr(dev_name(&spi->dev), "CSC3551"))
  24                 device_name = "CSC3551";
  25         else
  26                 return -ENODEV;
  27
  28         return cs35l41_hda_probe(&spi->dev, device_name, spi_get_chipselect(spi, 0), spi->irq,
  29                                  devm_regmap_init_spi(spi, &cs35l41_regmap_spi), SPI);
  30 }
  31
  32 static void cs35l41_hda_spi_remove(struct spi_device *spi)
  33 {
  34         cs35l41_hda_remove(&spi->dev);
  35 }
  36
  37 static const struct spi_device_id cs35l41_hda_spi_id[] = {
  38         { "cs35l41-hda", 0 },
  39         {}
  40 };
  41 MODULE_DEVICE_TABLE(spi, cs35l41_hda_spi_id);
  42
  43 static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
  44         { "CSC3551", 0 },
  45         {}
  46 };
  47 MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
  48
  49 static struct spi_driver cs35l41_spi_driver = {
  50         .driver = {
  51                 .name           = "cs35l41-hda",
  52                 .acpi_match_table = cs35l41_acpi_hda_match,
  53                 .pm             = &cs35l41_hda_pm_ops,
  54         },
  55         .id_table       = cs35l41_hda_spi_id,
  56         .probe          = cs35l41_hda_spi_probe,
  57         .remove         = cs35l41_hda_spi_remove,
  58 };
  59 module_spi_driver(cs35l41_spi_driver);
  60
  61 MODULE_DESCRIPTION("HDA CS35L41 driver");
  62 MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L41");
  63 MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
  64 MODULE_LICENSE("GPL");