1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Cirrus Logic CS42448/CS42888 Audio CODEC DAI I2C driver
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2014 Freescale Semiconductor, Inc.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Author: Nicolin Chen <Guangyu.Chen@freescale.com>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This file is licensed under the terms of the GNU General Public License
9*4882a593Smuzhiyun * version 2. This program is licensed "as is" without any warranty of any
10*4882a593Smuzhiyun * kind, whether express or implied.
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <linux/i2c.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/pm_runtime.h>
16*4882a593Smuzhiyun #include <sound/soc.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "cs42xx8.h"
19*4882a593Smuzhiyun
cs42xx8_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)20*4882a593Smuzhiyun static int cs42xx8_i2c_probe(struct i2c_client *i2c,
21*4882a593Smuzhiyun const struct i2c_device_id *id)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun int ret = cs42xx8_probe(&i2c->dev,
24*4882a593Smuzhiyun devm_regmap_init_i2c(i2c, &cs42xx8_regmap_config));
25*4882a593Smuzhiyun if (ret)
26*4882a593Smuzhiyun return ret;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun pm_runtime_enable(&i2c->dev);
29*4882a593Smuzhiyun pm_request_idle(&i2c->dev);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
cs42xx8_i2c_remove(struct i2c_client * i2c)34*4882a593Smuzhiyun static int cs42xx8_i2c_remove(struct i2c_client *i2c)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun pm_runtime_disable(&i2c->dev);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun static struct i2c_device_id cs42xx8_i2c_id[] = {
42*4882a593Smuzhiyun {"cs42448", (kernel_ulong_t)&cs42448_data},
43*4882a593Smuzhiyun {"cs42888", (kernel_ulong_t)&cs42888_data},
44*4882a593Smuzhiyun {}
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static struct i2c_driver cs42xx8_i2c_driver = {
49*4882a593Smuzhiyun .driver = {
50*4882a593Smuzhiyun .name = "cs42xx8",
51*4882a593Smuzhiyun .pm = &cs42xx8_pm,
52*4882a593Smuzhiyun .of_match_table = cs42xx8_of_match,
53*4882a593Smuzhiyun },
54*4882a593Smuzhiyun .probe = cs42xx8_i2c_probe,
55*4882a593Smuzhiyun .remove = cs42xx8_i2c_remove,
56*4882a593Smuzhiyun .id_table = cs42xx8_i2c_id,
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun module_i2c_driver(cs42xx8_i2c_driver);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun MODULE_DESCRIPTION("Cirrus Logic CS42448/CS42888 ALSA SoC Codec I2C Driver");
62*4882a593Smuzhiyun MODULE_AUTHOR("Freescale Semiconductor, Inc.");
63*4882a593Smuzhiyun MODULE_LICENSE("GPL");
64