sound/soc/codecs/adau1781-i2c.c

   1 /*
   2  * Driver for ADAU1381/ADAU1781 CODEC
   3  *
   4  * Copyright 2014 Analog Devices Inc.
   5  *  Author: Lars-Peter Clausen <lars@metafoo.de>
   6  *
   7  * Licensed under the GPL-2.
   8  */
   9
  10 #include <linux/i2c.h>
  11 #include <linux/mod_devicetable.h>
  12 #include <linux/module.h>
  13 #include <linux/regmap.h>
  14 #include <sound/soc.h>
  15
  16 #include "adau1781.h"
  17
  18 static int adau1781_i2c_probe(struct i2c_client *client,
  19         const struct i2c_device_id *id)
  20 {
  21         struct regmap_config config;
  22
  23         config = adau1781_regmap_config;
  24         config.val_bits = 8;
  25         config.reg_bits = 16;
  26
  27         return adau1781_probe(&client->dev,
  28                 devm_regmap_init_i2c(client, &config),
  29                 id->driver_data, NULL);
  30 }
  31
  32 static int adau1781_i2c_remove(struct i2c_client *client)
  33 {
  34         adau17x1_remove(&client->dev);
  35         return 0;
  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");