1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * ALSA SoC TLV320AIC23 codec driver I2C interface
4 *
5 * Author: Arun KS, <arunks@mistralsolutions.com>
6 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
7 *
8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
9 */
10
11 #include <linux/i2c.h>
12 #include <linux/module.h>
13 #include <linux/of.h>
14 #include <linux/regmap.h>
15 #include <sound/soc.h>
16
17 #include "tlv320aic23.h"
18
19 static int tlv320aic23_i2c_probe(struct i2c_client *i2c)
20 {
21 struct regmap *regmap;
22
23 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
24 return -EINVAL;
25
26 regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
27 return tlv320aic23_probe(&i2c->dev, regmap);
28 }
29
30 static const struct i2c_device_id tlv320aic23_id[] = {
31 {"tlv320aic23"},
32 {}
33 };
34
35 MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
36
37 #ifdef CONFIG_OF
38 static const struct of_device_id tlv320aic23_of_match[] = {
39 { .compatible = "ti,tlv320aic23", },
40 { }
41 };
42 MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
43 #endif
44
45 static struct i2c_driver tlv320aic23_i2c_driver = {
46 .driver = {
47 .name = "tlv320aic23-codec",
48 .of_match_table = of_match_ptr(tlv320aic23_of_match),
49 },
50 .probe = tlv320aic23_i2c_probe,
51 .id_table = tlv320aic23_id,
52 };
53
54 module_i2c_driver(tlv320aic23_i2c_driver);
55
56 MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
57 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
58 MODULE_LICENSE("GPL");
59
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