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Max Filippovb3fc5722014-03-06 14:04:41 +04001/*
2 * ALSA SoC TLV320AIC23 codec driver I2C interface
3 *
4 * Author: Arun KS, <arunks@mistralsolutions.com>
5 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
6 *
7 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/i2c.h>
15#include <linux/module.h>
Sachin Kamat0faabc42014-04-04 11:29:12 +053016#include <linux/of.h>
Max Filippovb3fc5722014-03-06 14:04:41 +040017#include <linux/regmap.h>
18#include <sound/soc.h>
19
20#include "tlv320aic23.h"
21
22static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
23 const struct i2c_device_id *i2c_id)
24{
25 struct regmap *regmap;
26
27 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
28 return -EINVAL;
29
30 regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
31 return tlv320aic23_probe(&i2c->dev, regmap);
32}
33
34static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
35{
36 snd_soc_unregister_codec(&i2c->dev);
37 return 0;
38}
39
40static const struct i2c_device_id tlv320aic23_id[] = {
41 {"tlv320aic23", 0},
42 {}
43};
44
45MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
46
Stephen Warren3534b842014-03-31 12:38:17 -060047static const struct of_device_id tlv320aic23_of_match[] = {
48 { .compatible = "ti,tlv320aic23", },
49 { }
50};
51MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
52
Max Filippovb3fc5722014-03-06 14:04:41 +040053static struct i2c_driver tlv320aic23_i2c_driver = {
54 .driver = {
55 .name = "tlv320aic23-codec",
Stephen Warren3534b842014-03-31 12:38:17 -060056 .of_match_table = of_match_ptr(tlv320aic23_of_match),
Max Filippovb3fc5722014-03-06 14:04:41 +040057 },
58 .probe = tlv320aic23_i2c_probe,
59 .remove = __exit_p(tlv320aic23_i2c_remove),
60 .id_table = tlv320aic23_id,
61};
62
63module_i2c_driver(tlv320aic23_i2c_driver);
64
65MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
66MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
67MODULE_LICENSE("GPL");