LXR linux/sound/soc/codecs/tlv320aic23-i2c.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * ALSA SoC TLV320AIC23 codec driver I2C interface
   4 *
   5 * Author:      Arun KS, <arunks@mistralsolutions.com>
   6 * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
   7 *
   8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
   9 */
  10
  11#include <linux/i2c.h>
  12#include <linux/module.h>
  13#include <linux/of.h>
  14#include <linux/regmap.h>
  15#include <sound/soc.h>
  16
  17#include "tlv320aic23.h"
  18
  19static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
  20                                 const struct i2c_device_id *i2c_id)
  21{
  22        struct regmap *regmap;
  23
  24        if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
  25                return -EINVAL;
  26
  27        regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
  28        return tlv320aic23_probe(&i2c->dev, regmap);
  29}
  30
  31static const struct i2c_device_id tlv320aic23_id[] = {
  32        {"tlv320aic23", 0},
  33        {}
  34};
  35
  36MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
  37
  38#ifdef CONFIG_OF
  39static const struct of_device_id tlv320aic23_of_match[] = {
  40        { .compatible = "ti,tlv320aic23", },
  41        { }
  42};
  43MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
  44#endif
  45
  46static struct i2c_driver tlv320aic23_i2c_driver = {
  47        .driver = {
  48                   .name = "tlv320aic23-codec",
  49                   .of_match_table = of_match_ptr(tlv320aic23_of_match),
  50                   },
  51        .probe = tlv320aic23_i2c_probe,
  52        .id_table = tlv320aic23_id,
  53};
  54
  55module_i2c_driver(tlv320aic23_i2c_driver);
  56
  57MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
  58MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
  59MODULE_LICENSE("GPL");
  60