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
  17 static int pcm179x_i2c_probe(struct i2c_client *client)
  18 {
  19         struct regmap *regmap;
  20         int ret;
  21
  22         regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config);
  23         if (IS_ERR(regmap)) {
  24                 ret = PTR_ERR(regmap);
  25                 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
  26                 return ret;
  27         }
  28
  29         return pcm179x_common_init(&client->dev, regmap);
  30 }
  31
  32 #ifdef CONFIG_OF
  33 static const struct of_device_id pcm179x_of_match[] = {
  34         { .compatible = "ti,pcm1792a", },
  35         { }
  36 };
  37 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
  38 #endif
  39
  40 static const struct i2c_device_id pcm179x_i2c_ids[] = {
  41         { "pcm179x", 0 },
  42         { }
  43 };
  44 MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
  45
  46 static struct i2c_driver pcm179x_i2c_driver = {
  47         .driver = {
  48                 .name   = "pcm179x",
  49                 .of_match_table = of_match_ptr(pcm179x_of_match),
  50         },
  51         .id_table       = pcm179x_i2c_ids,
  52         .probe_new      = pcm179x_i2c_probe,
  53 };
  54
  55 module_i2c_driver(pcm179x_i2c_driver);
  56
  57 MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
  58 MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
  59 MODULE_LICENSE("GPL");