LXR linux/sound/soc/codecs/pcm179x-i2c.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * PCM179X ASoC I2C driver
   4 *
   5 * Copyright (c) Teenage Engineering AB 2016
   6 *
   7 *     Jacob Siverskog <jacob@teenage.engineering>
   8 */
   9
  10#include <linux/module.h>
  11#include <linux/of.h>
  12#include <linux/i2c.h>
  13#include <linux/regmap.h>
  14
  15#include "pcm179x.h"
  16
  17static int pcm179x_i2c_probe(struct i2c_client *client,
  18                              const struct i2c_device_id *id)
  19{
  20        struct regmap *regmap;
  21        int ret;
  22
  23        regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config);
  24        if (IS_ERR(regmap)) {
  25                ret = PTR_ERR(regmap);
  26                dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
  27                return ret;
  28        }
  29
  30        return pcm179x_common_init(&client->dev, regmap);
  31}
  32
  33static const struct of_device_id pcm179x_of_match[] = {
  34        { .compatible = "ti,pcm1792a", },
  35        { }
  36};
  37MODULE_DEVICE_TABLE(of, pcm179x_of_match);
  38
  39static const struct i2c_device_id pcm179x_i2c_ids[] = {
  40        { "pcm179x", 0 },
  41        { }
  42};
  43MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
  44
  45static struct i2c_driver pcm179x_i2c_driver = {
  46        .driver = {
  47                .name   = "pcm179x",
  48                .of_match_table = of_match_ptr(pcm179x_of_match),
  49        },
  50        .id_table       = pcm179x_i2c_ids,
  51        .probe          = pcm179x_i2c_probe,
  52};
  53
  54module_i2c_driver(pcm179x_i2c_driver);
  55
  56MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
  57MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
  58MODULE_LICENSE("GPL");
  59