LXR linux/sound/soc/codecs/cs42l51-i2c.c

   1/*
   2 * cs42l56.c -- CS42L51 ALSA SoC I2C audio driver
   3 *
   4 * Copyright 2014 CirrusLogic, Inc.
   5 *
   6 * Author: Brian Austin <brian.austin@cirrus.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 *
  12 */
  13
  14#include <linux/i2c.h>
  15#include <linux/module.h>
  16#include <sound/soc.h>
  17
  18#include "cs42l51.h"
  19
  20static struct i2c_device_id cs42l51_i2c_id[] = {
  21        {"cs42l51", 0},
  22        {}
  23};
  24MODULE_DEVICE_TABLE(i2c, cs42l51_i2c_id);
  25
  26static int cs42l51_i2c_probe(struct i2c_client *i2c,
  27                             const struct i2c_device_id *id)
  28{
  29        struct regmap_config config;
  30
  31        config = cs42l51_regmap;
  32        config.val_bits = 8;
  33        config.reg_bits = 8;
  34
  35        return cs42l51_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &config));
  36}
  37
  38static int cs42l51_i2c_remove(struct i2c_client *i2c)
  39{
  40        snd_soc_unregister_codec(&i2c->dev);
  41
  42        return 0;
  43}
  44
  45static struct i2c_driver cs42l51_i2c_driver = {
  46        .driver = {
  47                .name = "cs42l51",
  48                .of_match_table = cs42l51_of_match,
  49        },
  50        .probe = cs42l51_i2c_probe,
  51        .remove = cs42l51_i2c_remove,
  52        .id_table = cs42l51_i2c_id,
  53};
  54
  55module_i2c_driver(cs42l51_i2c_driver);
  56
  57MODULE_DESCRIPTION("ASoC CS42L51 I2C Driver");
  58MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
  59MODULE_LICENSE("GPL");
  60