| Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame^] | 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 struct i2c_driver tlv320aic23_i2c_driver = { |
| 47 | .driver = { |
| 48 | .name = "tlv320aic23-codec", |
| 49 | }, |
| 50 | .probe = tlv320aic23_i2c_probe, |
| 51 | .remove = __exit_p(tlv320aic23_i2c_remove), |
| 52 | .id_table = tlv320aic23_id, |
| 53 | }; |
| 54 | |
| 55 | module_i2c_driver(tlv320aic23_i2c_driver); |
| 56 | |
| 57 | MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C"); |
| 58 | MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); |
| 59 | MODULE_LICENSE("GPL"); |