João Paulo Rechi Vita | f6a6bba | 2016-01-05 11:16:53 -0500 | [diff] [blame] | 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[] = { |
João Paulo Rechi Vita | b0a095f | 2016-01-05 08:26:01 -0500 | [diff] [blame] | 64 | {"ATK4001", 0}, |
João Paulo Rechi Vita | f6a6bba | 2016-01-05 11:16:53 -0500 | [diff] [blame] | 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"); |