1 /* 2 * SSM2602/SSM2603/SSM2604 I2C audio driver 3 * 4 * Copyright 2014 Analog Devices Inc. 5 * 6 * Licensed under the GPL-2. 7 */ 8 9 #include <linux/module.h> 10 #include <linux/i2c.h> 11 #include <linux/regmap.h> 12 13 #include <sound/soc.h> 14 15 #include "ssm2602.h" 16 17 /* 18 * ssm2602 2 wire address is determined by GPIO5 19 * state during powerup. 20 * low = 0x1a 21 * high = 0x1b 22 */ 23 static int ssm2602_i2c_probe(struct i2c_client *client, 24 const struct i2c_device_id *id) 25 { 26 return ssm2602_probe(&client->dev, id->driver_data, 27 devm_regmap_init_i2c(client, &ssm2602_regmap_config)); 28 } 29 30 static int ssm2602_i2c_remove(struct i2c_client *client) 31 { 32 snd_soc_unregister_codec(&client->dev); 33 return 0; 34 } 35 36 static const struct i2c_device_id ssm2602_i2c_id[] = { 37 { "ssm2602", SSM2602 }, 38 { "ssm2603", SSM2602 }, 39 { "ssm2604", SSM2604 }, 40 { } 41 }; 42 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); 43 44 static const struct of_device_id ssm2602_of_match[] = { 45 { .compatible = "adi,ssm2602", }, 46 { .compatible = "adi,ssm2603", }, 47 { .compatible = "adi,ssm2604", }, 48 { } 49 }; 50 MODULE_DEVICE_TABLE(of, ssm2602_of_match); 51 52 static struct i2c_driver ssm2602_i2c_driver = { 53 .driver = { 54 .name = "ssm2602", 55 .of_match_table = ssm2602_of_match, 56 }, 57 .probe = ssm2602_i2c_probe, 58 .remove = ssm2602_i2c_remove, 59 .id_table = ssm2602_i2c_id, 60 }; 61 module_i2c_driver(ssm2602_i2c_driver); 62 63 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver"); 64 MODULE_AUTHOR("Cliff Cai"); 65 MODULE_LICENSE("GPL"); 66