Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 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 |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <linux/i2c.h> |
| 12 | #include <linux/module.h> |
Sachin Kamat | 0faabc4 | 2014-04-04 11:29:12 +0530 | [diff] [blame] | 13 | #include <linux/of.h> |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 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 | const struct i2c_device_id *i2c_id) |
| 21 | { |
| 22 | struct regmap *regmap; |
| 23 | |
| 24 | if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 25 | return -EINVAL; |
| 26 | |
| 27 | regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap); |
| 28 | return tlv320aic23_probe(&i2c->dev, regmap); |
| 29 | } |
| 30 | |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 31 | static const struct i2c_device_id tlv320aic23_id[] = { |
| 32 | {"tlv320aic23", 0}, |
| 33 | {} |
| 34 | }; |
| 35 | |
| 36 | MODULE_DEVICE_TABLE(i2c, tlv320aic23_id); |
| 37 | |
Stephen Warren | 3534b84 | 2014-03-31 12:38:17 -0600 | [diff] [blame] | 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 | |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 44 | static struct i2c_driver tlv320aic23_i2c_driver = { |
| 45 | .driver = { |
| 46 | .name = "tlv320aic23-codec", |
Stephen Warren | 3534b84 | 2014-03-31 12:38:17 -0600 | [diff] [blame] | 47 | .of_match_table = of_match_ptr(tlv320aic23_of_match), |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 48 | }, |
| 49 | .probe = tlv320aic23_i2c_probe, |
Max Filippov | b3fc572 | 2014-03-06 14:04:41 +0400 | [diff] [blame] | 50 | .id_table = tlv320aic23_id, |
| 51 | }; |
| 52 | |
| 53 | module_i2c_driver(tlv320aic23_i2c_driver); |
| 54 | |
| 55 | MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C"); |
| 56 | MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); |
| 57 | MODULE_LICENSE("GPL"); |