1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * ALSA SoC TLV320AIC23 codec driver I2C inter 2 * ALSA SoC TLV320AIC23 codec driver I2C interface
4 * 3 *
5 * Author: Arun KS, <arunks@mistralsoluti 4 * Author: Arun KS, <arunks@mistralsolutions.com>
6 * Copyright: (C) 2008 Mistral Solutions Pvt 5 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
7 * 6 *
8 * Based on sound/soc/codecs/wm8731.c by Richa 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.
9 */ 12 */
10 13
11 #include <linux/i2c.h> 14 #include <linux/i2c.h>
12 #include <linux/module.h> 15 #include <linux/module.h>
13 #include <linux/of.h> 16 #include <linux/of.h>
14 #include <linux/regmap.h> 17 #include <linux/regmap.h>
15 #include <sound/soc.h> 18 #include <sound/soc.h>
16 19
17 #include "tlv320aic23.h" 20 #include "tlv320aic23.h"
18 21
19 static int tlv320aic23_i2c_probe(struct i2c_cl !! 22 static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
>> 23 const struct i2c_device_id *i2c_id)
20 { 24 {
21 struct regmap *regmap; 25 struct regmap *regmap;
22 26
23 if (!i2c_check_functionality(i2c->adap 27 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
24 return -EINVAL; 28 return -EINVAL;
25 29
26 regmap = devm_regmap_init_i2c(i2c, &tl 30 regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
27 return tlv320aic23_probe(&i2c->dev, re 31 return tlv320aic23_probe(&i2c->dev, regmap);
28 } 32 }
29 33
>> 34 static int tlv320aic23_i2c_remove(struct i2c_client *i2c)
>> 35 {
>> 36 snd_soc_unregister_codec(&i2c->dev);
>> 37 return 0;
>> 38 }
>> 39
30 static const struct i2c_device_id tlv320aic23_ 40 static const struct i2c_device_id tlv320aic23_id[] = {
31 {"tlv320aic23"}, !! 41 {"tlv320aic23", 0},
32 {} 42 {}
33 }; 43 };
34 44
35 MODULE_DEVICE_TABLE(i2c, tlv320aic23_id); 45 MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
36 46
37 #ifdef CONFIG_OF <<
38 static const struct of_device_id tlv320aic23_o 47 static const struct of_device_id tlv320aic23_of_match[] = {
39 { .compatible = "ti,tlv320aic23", }, 48 { .compatible = "ti,tlv320aic23", },
40 { } 49 { }
41 }; 50 };
42 MODULE_DEVICE_TABLE(of, tlv320aic23_of_match); 51 MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
43 #endif <<
44 52
45 static struct i2c_driver tlv320aic23_i2c_drive 53 static struct i2c_driver tlv320aic23_i2c_driver = {
46 .driver = { 54 .driver = {
47 .name = "tlv320aic23-codec" 55 .name = "tlv320aic23-codec",
48 .of_match_table = of_match_ 56 .of_match_table = of_match_ptr(tlv320aic23_of_match),
49 }, 57 },
50 .probe = tlv320aic23_i2c_probe, 58 .probe = tlv320aic23_i2c_probe,
>> 59 .remove = tlv320aic23_i2c_remove,
51 .id_table = tlv320aic23_id, 60 .id_table = tlv320aic23_id,
52 }; 61 };
53 62
54 module_i2c_driver(tlv320aic23_i2c_driver); 63 module_i2c_driver(tlv320aic23_i2c_driver);
55 64
56 MODULE_DESCRIPTION("ASoC TLV320AIC23 codec dri 65 MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
57 MODULE_AUTHOR("Arun KS <arunks@mistralsolution 66 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
58 MODULE_LICENSE("GPL"); 67 MODULE_LICENSE("GPL");
59 68
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