1 /* 1 /*
2 * Cirrus Logic CS42448/CS42888 Audio CODEC DA 2 * Cirrus Logic CS42448/CS42888 Audio CODEC DAI I2C driver
3 * 3 *
4 * Copyright (C) 2014 Freescale Semiconductor, 4 * Copyright (C) 2014 Freescale Semiconductor, Inc.
5 * 5 *
6 * Author: Nicolin Chen <Guangyu.Chen@freescal 6 * Author: Nicolin Chen <Guangyu.Chen@freescale.com>
7 * 7 *
8 * This file is licensed under the terms of th 8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" 9 * version 2. This program is licensed "as is" without any warranty of any
10 * kind, whether express or implied. 10 * kind, whether express or implied.
11 */ 11 */
12 12
13 #include <linux/i2c.h> 13 #include <linux/i2c.h>
14 #include <linux/module.h> 14 #include <linux/module.h>
15 #include <linux/mod_devicetable.h> <<
16 #include <linux/pm_runtime.h> 15 #include <linux/pm_runtime.h>
17 #include <sound/soc.h> 16 #include <sound/soc.h>
18 17
19 #include "cs42xx8.h" 18 #include "cs42xx8.h"
20 19
21 static int cs42xx8_i2c_probe(struct i2c_client !! 20 static int cs42xx8_i2c_probe(struct i2c_client *i2c,
>> 21 const struct i2c_device_id *id)
22 { 22 {
23 int ret; !! 23 int ret = cs42xx8_probe(&i2c->dev,
24 struct cs42xx8_driver_data *drvdata; !! 24 devm_regmap_init_i2c(i2c, &cs42xx8_regmap_config));
25 <<
26 drvdata = (struct cs42xx8_driver_data <<
27 if (!drvdata) <<
28 return dev_err_probe(&i2c->dev <<
29 "failed t <<
30 <<
31 ret = cs42xx8_probe(&i2c->dev, <<
32 devm_regmap_init_i2c(i2c, &cs4 <<
33 if (ret) 25 if (ret)
34 return ret; 26 return ret;
35 27
36 pm_runtime_enable(&i2c->dev); 28 pm_runtime_enable(&i2c->dev);
37 pm_request_idle(&i2c->dev); 29 pm_request_idle(&i2c->dev);
38 30
39 return 0; 31 return 0;
40 } 32 }
41 33
42 static void cs42xx8_i2c_remove(struct i2c_clie !! 34 static int cs42xx8_i2c_remove(struct i2c_client *i2c)
43 { 35 {
44 pm_runtime_disable(&i2c->dev); 36 pm_runtime_disable(&i2c->dev);
45 } <<
46 37
47 static const struct of_device_id cs42xx8_of_ma !! 38 return 0;
48 { .compatible = "cirrus,cs42448", .dat !! 39 }
49 { .compatible = "cirrus,cs42888", .dat <<
50 { /* sentinel */ } <<
51 }; <<
52 MODULE_DEVICE_TABLE(of, cs42xx8_of_match); <<
53 40
54 static const struct i2c_device_id cs42xx8_i2c_ !! 41 static struct i2c_device_id cs42xx8_i2c_id[] = {
55 {"cs42448", (kernel_ulong_t)&cs42448_d 42 {"cs42448", (kernel_ulong_t)&cs42448_data},
56 {"cs42888", (kernel_ulong_t)&cs42888_d 43 {"cs42888", (kernel_ulong_t)&cs42888_data},
57 {} 44 {}
58 }; 45 };
59 MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id); 46 MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id);
60 47
61 static struct i2c_driver cs42xx8_i2c_driver = 48 static struct i2c_driver cs42xx8_i2c_driver = {
62 .driver = { 49 .driver = {
63 .name = "cs42xx8", 50 .name = "cs42xx8",
64 .pm = &cs42xx8_pm, 51 .pm = &cs42xx8_pm,
65 .of_match_table = cs42xx8_of_m 52 .of_match_table = cs42xx8_of_match,
66 }, 53 },
67 .probe = cs42xx8_i2c_probe, 54 .probe = cs42xx8_i2c_probe,
68 .remove = cs42xx8_i2c_remove, 55 .remove = cs42xx8_i2c_remove,
69 .id_table = cs42xx8_i2c_id, 56 .id_table = cs42xx8_i2c_id,
70 }; 57 };
71 58
72 module_i2c_driver(cs42xx8_i2c_driver); 59 module_i2c_driver(cs42xx8_i2c_driver);
73 60
74 MODULE_DESCRIPTION("Cirrus Logic CS42448/CS428 61 MODULE_DESCRIPTION("Cirrus Logic CS42448/CS42888 ALSA SoC Codec I2C Driver");
75 MODULE_AUTHOR("Freescale Semiconductor, Inc.") 62 MODULE_AUTHOR("Freescale Semiconductor, Inc.");
76 MODULE_LICENSE("GPL"); 63 MODULE_LICENSE("GPL");
77 64
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