LXR linux/sound/soc/codecs/ssm2602-i2c.c

   1/*
   2 * SSM2602/SSM2603/SSM2604 I2C audio driver
   3 *
   4 * Copyright 2014 Analog Devices Inc.
   5 *
   6 * Licensed under the GPL-2.
   7 */
   8
   9#include <linux/module.h>
  10#include <linux/i2c.h>
  11#include <linux/regmap.h>
  12
  13#include <sound/soc.h>
  14
  15#include "ssm2602.h"
  16
  17/*
  18 * ssm2602 2 wire address is determined by GPIO5
  19 * state during powerup.
  20 *    low  = 0x1a
  21 *    high = 0x1b
  22 */
  23static int ssm2602_i2c_probe(struct i2c_client *client,
  24                             const struct i2c_device_id *id)
  25{
  26        return ssm2602_probe(&client->dev, id->driver_data,
  27                devm_regmap_init_i2c(client, &ssm2602_regmap_config));
  28}
  29
  30static int ssm2602_i2c_remove(struct i2c_client *client)
  31{
  32        snd_soc_unregister_codec(&client->dev);
  33        return 0;
  34}
  35
  36static const struct i2c_device_id ssm2602_i2c_id[] = {
  37        { "ssm2602", SSM2602 },
  38        { "ssm2603", SSM2602 },
  39        { "ssm2604", SSM2604 },
  40        { }
  41};
  42MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
  43
  44static const struct of_device_id ssm2602_of_match[] = {
  45        { .compatible = "adi,ssm2602", },
  46        { .compatible = "adi,ssm2603", },
  47        { .compatible = "adi,ssm2604", },
  48        { }
  49};
  50MODULE_DEVICE_TABLE(of, ssm2602_of_match);
  51
  52static struct i2c_driver ssm2602_i2c_driver = {
  53        .driver = {
  54                .name = "ssm2602",
  55                .of_match_table = ssm2602_of_match,
  56        },
  57        .probe = ssm2602_i2c_probe,
  58        .remove = ssm2602_i2c_remove,
  59        .id_table = ssm2602_i2c_id,
  60};
  61module_i2c_driver(ssm2602_i2c_driver);
  62
  63MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
  64MODULE_AUTHOR("Cliff Cai");
  65MODULE_LICENSE("GPL");
  66