acer-wireless.c
// SPDX-License-Identifier: GPL-2.0-only
/*
* Acer Wireless Radio Control Driver
*
* Copyright (C) 2017 Endless Mobile, Inc.
*/
#include <linux/acpi.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci_ids.h>
#include <linux/types.h>
static const struct acpi_device_id acer_wireless_acpi_ids[] = {
{"10251229", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, acer_wireless_acpi_ids);
static void acer_wireless_notify(struct acpi_device *adev, u32 event)
{
struct input_dev *idev = acpi_driver_data(adev);
dev_dbg(&adev->dev, "event=%#x\n", event);
if (event != 0x80) {
dev_notice(&adev->dev, "Unknown SMKB event: %#x\n", event);
return;
}
input_report_key(idev, KEY_RFKILL, 1);
input_report_key(idev, KEY_RFKILL, 0);
input_sync(idev);
}
static int acer_wireless_add(struct acpi_device *adev)
{
struct input_dev *idev;
idev = devm_input_allocate_device(&adev->dev);
if (!idev)
return -ENOMEM;
adev->driver_data = idev;
idev->name = "Acer Wireless Radio Control";
idev->phys = "acer-wireless/input0";
idev->id.bustype = BUS_HOST;
idev->id.vendor = PCI_VENDOR_ID_AI;
idev->id.product = 0x1229;
set_bit(EV_KEY, idev->evbit);
set_bit(KEY_RFKILL, idev->keybit);
return input_register_device(idev);
}
static struct acpi_driver acer_wireless_driver = {
.name = "Acer Wireless Radio Control Driver",
.class = "hotkey",
.ids = acer_wireless_acpi_ids,
.ops = {
.add = acer_wireless_add,
.notify = acer_wireless_notify,
},
};
module_acpi_driver(acer_wireless_driver);
MODULE_DESCRIPTION("Acer Wireless Radio Control Driver");
MODULE_AUTHOR("Chris Chiu <chiu@gmail.com>");
MODULE_LICENSE("GPL v2");