| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Cirrus Logic CS42448/CS42888 Audio CODEC DAI I2C driver |
| 3 | * |
| 4 | * Copyright (C) 2014 Freescale Semiconductor, Inc. |
| 5 | * |
| 6 | * Author: Nicolin Chen <Guangyu.Chen@freescale.com> |
| 7 | * |
| 8 | * This file is licensed under the terms of the GNU General Public License |
| 9 | * version 2. This program is licensed "as is" without any warranty of any |
| 10 | * kind, whether express or implied. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/i2c.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/pm_runtime.h> |
| 16 | #include <sound/soc.h> |
| 17 | |
| 18 | #include "cs42xx8.h" |
| 19 | |
| 20 | static int cs42xx8_i2c_probe(struct i2c_client *i2c, |
| 21 | const struct i2c_device_id *id) |
| 22 | { |
| 23 | int ret = cs42xx8_probe(&i2c->dev, |
| 24 | devm_regmap_init_i2c(i2c, &cs42xx8_regmap_config)); |
| 25 | if (ret) |
| 26 | return ret; |
| 27 | |
| 28 | pm_runtime_enable(&i2c->dev); |
| 29 | pm_request_idle(&i2c->dev); |
| 30 | |
| 31 | return 0; |
| 32 | } |
| 33 | |
| 34 | static int cs42xx8_i2c_remove(struct i2c_client *i2c) |
| 35 | { |
| 36 | pm_runtime_disable(&i2c->dev); |
| 37 | |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | static struct i2c_device_id cs42xx8_i2c_id[] = { |
| 42 | {"cs42448", (kernel_ulong_t)&cs42448_data}, |
| 43 | {"cs42888", (kernel_ulong_t)&cs42888_data}, |
| 44 | {} |
| 45 | }; |
| 46 | MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id); |
| 47 | |
| 48 | static struct i2c_driver cs42xx8_i2c_driver = { |
| 49 | .driver = { |
| 50 | .name = "cs42xx8", |
| 51 | .pm = &cs42xx8_pm, |
| 52 | .of_match_table = cs42xx8_of_match, |
| 53 | }, |
| 54 | .probe = cs42xx8_i2c_probe, |
| 55 | .remove = cs42xx8_i2c_remove, |
| 56 | .id_table = cs42xx8_i2c_id, |
| 57 | }; |
| 58 | |
| 59 | module_i2c_driver(cs42xx8_i2c_driver); |
| 60 | |
| 61 | MODULE_DESCRIPTION("Cirrus Logic CS42448/CS42888 ALSA SoC Codec I2C Driver"); |
| 62 | MODULE_AUTHOR("Freescale Semiconductor, Inc."); |
| 63 | MODULE_LICENSE("GPL"); |