kernel/sound/soc/codecs/wm8804-i2c.c

   1 /*
   2  * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
   3  *
   4  * Copyright 2015 Cirrus Logic Inc
   5  *
   6  * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.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 #include <linux/init.h>
  14 #include <linux/module.h>
  15 #include <linux/i2c.h>
  16
  17 #include "wm8804.h"
  18
  19 static int wm8804_i2c_probe(struct i2c_client *i2c,
  20                             const struct i2c_device_id *id)
  21 {
  22         struct regmap *regmap;
  23
  24         regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
  25         if (IS_ERR(regmap))
  26                 return PTR_ERR(regmap);
  27
  28         return wm8804_probe(&i2c->dev, regmap);
  29 }
  30
  31 static int wm8804_i2c_remove(struct i2c_client *i2c)
  32 {
  33         wm8804_remove(&i2c->dev);
  34         return 0;
  35 }
  36
  37 static const struct i2c_device_id wm8804_i2c_id[] = {
  38         { "wm8804", 0 },
  39         { }
  40 };
  41 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
  42
  43 static const struct of_device_id wm8804_of_match[] = {
  44         { .compatible = "wlf,wm8804", },
  45         { }
  46 };
  47 MODULE_DEVICE_TABLE(of, wm8804_of_match);
  48
  49 static struct i2c_driver wm8804_i2c_driver = {
  50         .driver = {
  51                 .name = "wm8804",
  52                 .owner = THIS_MODULE,
  53                 .pm = &wm8804_pm,
  54                 .of_match_table = wm8804_of_match,
  55         },
  56         .probe = wm8804_i2c_probe,
  57         .remove = wm8804_i2c_remove,
  58         .id_table = wm8804_i2c_id
  59 };
  60
  61 module_i2c_driver(wm8804_i2c_driver);
  62
  63 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
  64 MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
  65 MODULE_LICENSE("GPL");