sound/soc/codecs/adau1781-i2c.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Driver for ADAU1381/ADAU1781 CODEC
   4  *
   5  * Copyright 2014 Analog Devices Inc.
   6  *  Author: Lars-Peter Clausen <lars@metafoo.de>
   7  */
   8
   9 #include <linux/i2c.h>
  10 #include <linux/mod_devicetable.h>
  11 #include <linux/module.h>
  12 #include <linux/regmap.h>
  13 #include <sound/soc.h>
  14
  15 #include "adau1781.h"
  16
  17 static const struct i2c_device_id adau1781_i2c_ids[];
  18
  19 static int adau1781_i2c_probe(struct i2c_client *client)
  20 {
  21         struct regmap_config config;
  22         const struct i2c_device_id *id = i2c_match_id(adau1781_i2c_ids, client);
  23
  24         config = adau1781_regmap_config;
  25         config.val_bits = 8;
  26         config.reg_bits = 16;
  27
  28         return adau1781_probe(&client->dev,
  29                 devm_regmap_init_i2c(client, &config),
  30                 id->driver_data, NULL);
  31 }
  32
  33 static void adau1781_i2c_remove(struct i2c_client *client)
  34 {
  35         adau17x1_remove(&client->dev);
  36 }
  37
  38 static const struct i2c_device_id adau1781_i2c_ids[] = {
  39         { "adau1381", ADAU1381 },
  40         { "adau1781", ADAU1781 },
  41         { }
  42 };
  43 MODULE_DEVICE_TABLE(i2c, adau1781_i2c_ids);
  44
  45 #if defined(CONFIG_OF)
  46 static const struct of_device_id adau1781_i2c_dt_ids[] = {
  47         { .compatible = "adi,adau1381", },
  48         { .compatible = "adi,adau1781", },
  49         { },
  50 };
  51 MODULE_DEVICE_TABLE(of, adau1781_i2c_dt_ids);
  52 #endif
  53
  54 static struct i2c_driver adau1781_i2c_driver = {
  55         .driver = {
  56                 .name = "adau1781",
  57                 .of_match_table = of_match_ptr(adau1781_i2c_dt_ids),
  58         },
  59         .probe = adau1781_i2c_probe,
  60         .remove = adau1781_i2c_remove,
  61         .id_table = adau1781_i2c_ids,
  62 };
  63 module_i2c_driver(adau1781_i2c_driver);
  64
  65 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC I2C driver");
  66 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
  67 MODULE_LICENSE("GPL");