1 /*
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>
16 #include <linux/regmap.h>
17 #include <sound/soc.h>
18 
19 #include "tlv320aic23.h"
20 
21 static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
22 				 const struct i2c_device_id *i2c_id)
23 {
24 	struct regmap *regmap;
25 
26 	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
27 		return -EINVAL;
28 
29 	regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
30 	return tlv320aic23_probe(&i2c->dev, regmap);
31 }
32 
33 static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
34 {
35 	snd_soc_unregister_codec(&i2c->dev);
36 	return 0;
37 }
38 
39 static const struct i2c_device_id tlv320aic23_id[] = {
40 	{"tlv320aic23", 0},
41 	{}
42 };
43 
44 MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
45 
46 static const struct of_device_id tlv320aic23_of_match[] = {
47 	{ .compatible = "ti,tlv320aic23", },
48 	{ }
49 };
50 MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
51 
52 static struct i2c_driver tlv320aic23_i2c_driver = {
53 	.driver = {
54 		   .name = "tlv320aic23-codec",
55 		   .of_match_table = of_match_ptr(tlv320aic23_of_match),
56 		   },
57 	.probe = tlv320aic23_i2c_probe,
58 	.remove = __exit_p(tlv320aic23_i2c_remove),
59 	.id_table = tlv320aic23_id,
60 };
61 
62 module_i2c_driver(tlv320aic23_i2c_driver);
63 
64 MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
65 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
66 MODULE_LICENSE("GPL");
67