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b3fc5725 MF |
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> | |
0faabc4f | 16 | #include <linux/of.h> |
b3fc5725 MF |
17 | #include <linux/regmap.h> |
18 | #include <sound/soc.h> | |
19 | ||
20 | #include "tlv320aic23.h" | |
21 | ||
22 | static 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 | ||
f580f8af | 34 | static int tlv320aic23_i2c_remove(struct i2c_client *i2c) |
b3fc5725 MF |
35 | { |
36 | snd_soc_unregister_codec(&i2c->dev); | |
37 | return 0; | |
38 | } | |
39 | ||
40 | static const struct i2c_device_id tlv320aic23_id[] = { | |
41 | {"tlv320aic23", 0}, | |
42 | {} | |
43 | }; | |
44 | ||
45 | MODULE_DEVICE_TABLE(i2c, tlv320aic23_id); | |
46 | ||
3534b842 SW |
47 | static const struct of_device_id tlv320aic23_of_match[] = { |
48 | { .compatible = "ti,tlv320aic23", }, | |
49 | { } | |
50 | }; | |
51 | MODULE_DEVICE_TABLE(of, tlv320aic23_of_match); | |
52 | ||
b3fc5725 MF |
53 | static struct i2c_driver tlv320aic23_i2c_driver = { |
54 | .driver = { | |
55 | .name = "tlv320aic23-codec", | |
3534b842 | 56 | .of_match_table = of_match_ptr(tlv320aic23_of_match), |
b3fc5725 MF |
57 | }, |
58 | .probe = tlv320aic23_i2c_probe, | |
f580f8af | 59 | .remove = tlv320aic23_i2c_remove, |
b3fc5725 MF |
60 | .id_table = tlv320aic23_id, |
61 | }; | |
62 | ||
63 | module_i2c_driver(tlv320aic23_i2c_driver); | |
64 | ||
65 | MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C"); | |
66 | MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); | |
67 | MODULE_LICENSE("GPL"); |