sound/soc/codecs/tlv320aic32x4-i2c.c

   1 /*
   2  * linux/sound/soc/codecs/tlv320aic32x4-i2c.c
   3  *
   4  * Copyright 2011 NW Digital Radio
   5  *
   6  * Author: Jeremy McDermond <nh6z@nh6z.net>
   7  *
   8  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include <linux/i2c.h>
  22 #include <linux/module.h>
  23 #include <linux/of.h>
  24 #include <linux/regmap.h>
  25 #include <sound/soc.h>
  26
  27 #include "tlv320aic32x4.h"
  28
  29 static int aic32x4_i2c_probe(struct i2c_client *i2c,
  30                              const struct i2c_device_id *id)
  31 {
  32         struct regmap *regmap;
  33         struct regmap_config config;
  34
  35         config = aic32x4_regmap_config;
  36         config.reg_bits = 8;
  37         config.val_bits = 8;
  38
  39         regmap = devm_regmap_init_i2c(i2c, &config);
  40         return aic32x4_probe(&i2c->dev, regmap);
  41 }
  42
  43 static int aic32x4_i2c_remove(struct i2c_client *i2c)
  44 {
  45         return aic32x4_remove(&i2c->dev);
  46 }
  47
  48 static const struct i2c_device_id aic32x4_i2c_id[] = {
  49         { "tlv320aic32x4", 0 },
  50         { /* sentinel */ }
  51 };
  52 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
  53
  54 static const struct of_device_id aic32x4_of_id[] = {
  55         { .compatible = "ti,tlv320aic32x4", },
  56         { /* senitel */ }
  57 };
  58 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
  59
  60 static struct i2c_driver aic32x4_i2c_driver = {
  61         .driver = {
  62                 .name = "tlv320aic32x4",
  63                 .of_match_table = aic32x4_of_id,
  64         },
  65         .probe =    aic32x4_i2c_probe,
  66         .remove =   aic32x4_i2c_remove,
  67         .id_table = aic32x4_i2c_id,
  68 };
  69
  70 module_i2c_driver(aic32x4_i2c_driver);
  71
  72 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
  73 MODULE_AUTHOR("Jeremy McDermond <nh6z@nh6z.net>");
  74 MODULE_LICENSE("GPL");