1 /* 2 * CS4271 I2C audio driver 3 * 4 * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #include <linux/module.h> 18 #include <linux/i2c.h> 19 #include <linux/regmap.h> 20 #include <sound/soc.h> 21 #include "cs4271.h" 22 23 static int cs4271_i2c_probe(struct i2c_client *client, 24 const struct i2c_device_id *id) 25 { 26 struct regmap_config config; 27 28 config = cs4271_regmap_config; 29 config.reg_bits = 8; 30 config.val_bits = 8; 31 32 return cs4271_probe(&client->dev, 33 devm_regmap_init_i2c(client, &config)); 34 } 35 36 static int cs4271_i2c_remove(struct i2c_client *client) 37 { 38 snd_soc_unregister_codec(&client->dev); 39 return 0; 40 } 41 42 static const struct i2c_device_id cs4271_i2c_id[] = { 43 { "cs4271", 0 }, 44 { } 45 }; 46 MODULE_DEVICE_TABLE(i2c, cs4271_i2c_id); 47 48 static struct i2c_driver cs4271_i2c_driver = { 49 .driver = { 50 .name = "cs4271", 51 .owner = THIS_MODULE, 52 .of_match_table = of_match_ptr(cs4271_dt_ids), 53 }, 54 .probe = cs4271_i2c_probe, 55 .remove = cs4271_i2c_remove, 56 .id_table = cs4271_i2c_id, 57 }; 58 module_i2c_driver(cs4271_i2c_driver); 59 60 MODULE_DESCRIPTION("ASoC CS4271 I2C Driver"); 61 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>"); 62 MODULE_LICENSE("GPL"); 63