1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * wm8804-i2c.c -- WM8804 S/PDIF transceiver 2 * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C
4 * 3 *
5 * Copyright 2015 Cirrus Logic Inc 4 * Copyright 2015 Cirrus Logic Inc
6 * 5 *
7 * Author: Charles Keepax <ckeepax@opensource. 6 * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
>> 7 *
>> 8 * This program is free software; you can redistribute it and/or modify
>> 9 * it under the terms of the GNU General Public License version 2 as
>> 10 * published by the Free Software Foundation.
8 */ 11 */
9 12
10 #include <linux/init.h> 13 #include <linux/init.h>
11 #include <linux/module.h> 14 #include <linux/module.h>
12 #include <linux/i2c.h> 15 #include <linux/i2c.h>
13 #include <linux/acpi.h> 16 #include <linux/acpi.h>
14 17
15 #include "wm8804.h" 18 #include "wm8804.h"
16 19
17 static int wm8804_i2c_probe(struct i2c_client !! 20 static int wm8804_i2c_probe(struct i2c_client *i2c,
>> 21 const struct i2c_device_id *id)
18 { 22 {
19 struct regmap *regmap; 23 struct regmap *regmap;
20 24
21 regmap = devm_regmap_init_i2c(i2c, &wm 25 regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
22 if (IS_ERR(regmap)) 26 if (IS_ERR(regmap))
23 return PTR_ERR(regmap); 27 return PTR_ERR(regmap);
24 28
25 return wm8804_probe(&i2c->dev, regmap) 29 return wm8804_probe(&i2c->dev, regmap);
26 } 30 }
27 31
28 static void wm8804_i2c_remove(struct i2c_clien !! 32 static int wm8804_i2c_remove(struct i2c_client *i2c)
29 { 33 {
30 wm8804_remove(&i2c->dev); 34 wm8804_remove(&i2c->dev);
>> 35 return 0;
31 } 36 }
32 37
33 static const struct i2c_device_id wm8804_i2c_i 38 static const struct i2c_device_id wm8804_i2c_id[] = {
34 { "wm8804" }, !! 39 { "wm8804", 0 },
35 { } 40 { }
36 }; 41 };
37 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id); 42 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
38 43
39 #if defined(CONFIG_OF) 44 #if defined(CONFIG_OF)
40 static const struct of_device_id wm8804_of_mat 45 static const struct of_device_id wm8804_of_match[] = {
41 { .compatible = "wlf,wm8804", }, 46 { .compatible = "wlf,wm8804", },
42 { } 47 { }
43 }; 48 };
44 MODULE_DEVICE_TABLE(of, wm8804_of_match); 49 MODULE_DEVICE_TABLE(of, wm8804_of_match);
45 #endif 50 #endif
46 51
47 #ifdef CONFIG_ACPI 52 #ifdef CONFIG_ACPI
48 static const struct acpi_device_id wm8804_acpi 53 static const struct acpi_device_id wm8804_acpi_match[] = {
49 { "1AEC8804", 0 }, /* Wolfson PCI ID + 54 { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
50 { "10138804", 0 }, /* Cirrus Logic PCI 55 { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
51 { }, 56 { },
52 }; 57 };
53 MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match); 58 MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
54 #endif 59 #endif
55 60
56 static struct i2c_driver wm8804_i2c_driver = { 61 static struct i2c_driver wm8804_i2c_driver = {
57 .driver = { 62 .driver = {
58 .name = "wm8804", 63 .name = "wm8804",
59 .pm = &wm8804_pm, 64 .pm = &wm8804_pm,
60 .of_match_table = of_match_ptr 65 .of_match_table = of_match_ptr(wm8804_of_match),
61 .acpi_match_table = ACPI_PTR(w 66 .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
62 }, 67 },
63 .probe = wm8804_i2c_probe, 68 .probe = wm8804_i2c_probe,
64 .remove = wm8804_i2c_remove, 69 .remove = wm8804_i2c_remove,
65 .id_table = wm8804_i2c_id 70 .id_table = wm8804_i2c_id
66 }; 71 };
67 72
68 module_i2c_driver(wm8804_i2c_driver); 73 module_i2c_driver(wm8804_i2c_driver);
69 74
70 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C") 75 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
71 MODULE_AUTHOR("Charles Keepax <ckeepax@opensou 76 MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
72 MODULE_LICENSE("GPL"); 77 MODULE_LICENSE("GPL");
73 78
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