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 19static 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 31static const struct i2c_device_id tlv320aic23_id[] = { 32 {"tlv320aic23", 0}, 33 {} 34}; 35 36MODULE_DEVICE_TABLE(i2c, tlv320aic23_id); 37 38static const struct of_device_id tlv320aic23_of_match[] = { 39 { .compatible = "ti,tlv320aic23", }, 40 { } 41}; 42MODULE_DEVICE_TABLE(of, tlv320aic23_of_match); 43 44static struct i2c_driver tlv320aic23_i2c_driver = { 45 .driver = { 46 .name = "tlv320aic23-codec", 47 .of_match_table = of_match_ptr(tlv320aic23_of_match), 48 }, 49 .probe = tlv320aic23_i2c_probe, 50 .id_table = tlv320aic23_id, 51}; 52 53module_i2c_driver(tlv320aic23_i2c_driver); 54 55MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C"); 56MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); 57MODULE_LICENSE("GPL"); 58