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(adap: i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
24 | return -EINVAL; |
25 | |
26 | regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap); |
27 | return tlv320aic23_probe(dev: &i2c->dev, regmap); |
28 | } |
29 | |
30 | static const struct i2c_device_id tlv320aic23_id[] = { |
31 | {"tlv320aic23" , 0}, |
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 | |