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f6a6bbae JPRV |
1 | /* |
2 | * Asus Wireless Radio Control Driver | |
3 | * | |
4 | * Copyright (C) 2015-2016 Endless Mobile, Inc. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/types.h> | |
15 | #include <linux/acpi.h> | |
16 | #include <linux/input.h> | |
17 | #include <linux/pci_ids.h> | |
18 | ||
19 | struct asus_wireless_data { | |
20 | struct input_dev *idev; | |
21 | }; | |
22 | ||
23 | static void asus_wireless_notify(struct acpi_device *adev, u32 event) | |
24 | { | |
25 | struct asus_wireless_data *data = acpi_driver_data(adev); | |
26 | ||
27 | dev_dbg(&adev->dev, "event=%#x\n", event); | |
28 | if (event != 0x88) { | |
29 | dev_notice(&adev->dev, "Unknown ASHS event: %#x\n", event); | |
30 | return; | |
31 | } | |
32 | input_report_key(data->idev, KEY_RFKILL, 1); | |
33 | input_report_key(data->idev, KEY_RFKILL, 0); | |
34 | input_sync(data->idev); | |
35 | } | |
36 | ||
37 | static int asus_wireless_add(struct acpi_device *adev) | |
38 | { | |
39 | struct asus_wireless_data *data; | |
40 | ||
41 | data = devm_kzalloc(&adev->dev, sizeof(*data), GFP_KERNEL); | |
42 | if (!data) | |
43 | return -ENOMEM; | |
44 | adev->driver_data = data; | |
45 | ||
46 | data->idev = devm_input_allocate_device(&adev->dev); | |
47 | if (!data->idev) | |
48 | return -ENOMEM; | |
49 | data->idev->name = "Asus Wireless Radio Control"; | |
50 | data->idev->phys = "asus-wireless/input0"; | |
51 | data->idev->id.bustype = BUS_HOST; | |
52 | data->idev->id.vendor = PCI_VENDOR_ID_ASUSTEK; | |
53 | set_bit(EV_KEY, data->idev->evbit); | |
54 | set_bit(KEY_RFKILL, data->idev->keybit); | |
55 | return input_register_device(data->idev); | |
56 | } | |
57 | ||
58 | static int asus_wireless_remove(struct acpi_device *adev) | |
59 | { | |
60 | return 0; | |
61 | } | |
62 | ||
63 | static const struct acpi_device_id device_ids[] = { | |
b0a095fc | 64 | {"ATK4001", 0}, |
f6a6bbae JPRV |
65 | {"ATK4002", 0}, |
66 | {"", 0}, | |
67 | }; | |
68 | MODULE_DEVICE_TABLE(acpi, device_ids); | |
69 | ||
70 | static struct acpi_driver asus_wireless_driver = { | |
71 | .name = "Asus Wireless Radio Control Driver", | |
72 | .class = "hotkey", | |
73 | .ids = device_ids, | |
74 | .ops = { | |
75 | .add = asus_wireless_add, | |
76 | .remove = asus_wireless_remove, | |
77 | .notify = asus_wireless_notify, | |
78 | }, | |
79 | }; | |
80 | module_acpi_driver(asus_wireless_driver); | |
81 | ||
82 | MODULE_DESCRIPTION("Asus Wireless Radio Control Driver"); | |
83 | MODULE_AUTHOR("João Paulo Rechi Vita <jprvita@gmail.com>"); | |
84 | MODULE_LICENSE("GPL"); |