1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Acer Wireless Radio Control Driver
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2017 Endless Mobile, Inc.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/acpi.h>
9*4882a593Smuzhiyun #include <linux/input.h>
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun #include <linux/module.h>
12*4882a593Smuzhiyun #include <linux/pci_ids.h>
13*4882a593Smuzhiyun #include <linux/types.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static const struct acpi_device_id acer_wireless_acpi_ids[] = {
16*4882a593Smuzhiyun {"10251229", 0},
17*4882a593Smuzhiyun {"", 0},
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, acer_wireless_acpi_ids);
20*4882a593Smuzhiyun
acer_wireless_notify(struct acpi_device * adev,u32 event)21*4882a593Smuzhiyun static void acer_wireless_notify(struct acpi_device *adev, u32 event)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun struct input_dev *idev = acpi_driver_data(adev);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun dev_dbg(&adev->dev, "event=%#x\n", event);
26*4882a593Smuzhiyun if (event != 0x80) {
27*4882a593Smuzhiyun dev_notice(&adev->dev, "Unknown SMKB event: %#x\n", event);
28*4882a593Smuzhiyun return;
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun input_report_key(idev, KEY_RFKILL, 1);
31*4882a593Smuzhiyun input_report_key(idev, KEY_RFKILL, 0);
32*4882a593Smuzhiyun input_sync(idev);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
acer_wireless_add(struct acpi_device * adev)35*4882a593Smuzhiyun static int acer_wireless_add(struct acpi_device *adev)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun struct input_dev *idev;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun idev = devm_input_allocate_device(&adev->dev);
40*4882a593Smuzhiyun if (!idev)
41*4882a593Smuzhiyun return -ENOMEM;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun adev->driver_data = idev;
44*4882a593Smuzhiyun idev->name = "Acer Wireless Radio Control";
45*4882a593Smuzhiyun idev->phys = "acer-wireless/input0";
46*4882a593Smuzhiyun idev->id.bustype = BUS_HOST;
47*4882a593Smuzhiyun idev->id.vendor = PCI_VENDOR_ID_AI;
48*4882a593Smuzhiyun idev->id.product = 0x1229;
49*4882a593Smuzhiyun set_bit(EV_KEY, idev->evbit);
50*4882a593Smuzhiyun set_bit(KEY_RFKILL, idev->keybit);
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun return input_register_device(idev);
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun static struct acpi_driver acer_wireless_driver = {
56*4882a593Smuzhiyun .name = "Acer Wireless Radio Control Driver",
57*4882a593Smuzhiyun .class = "hotkey",
58*4882a593Smuzhiyun .ids = acer_wireless_acpi_ids,
59*4882a593Smuzhiyun .ops = {
60*4882a593Smuzhiyun .add = acer_wireless_add,
61*4882a593Smuzhiyun .notify = acer_wireless_notify,
62*4882a593Smuzhiyun },
63*4882a593Smuzhiyun };
64*4882a593Smuzhiyun module_acpi_driver(acer_wireless_driver);
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun MODULE_DESCRIPTION("Acer Wireless Radio Control Driver");
67*4882a593Smuzhiyun MODULE_AUTHOR("Chris Chiu <chiu@gmail.com>");
68*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
69