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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Acer Wireless Radio Control Driver4 *5 * Copyright (C) 2017 Endless Mobile, Inc.6 */7 8#include <linux/acpi.h>9#include <linux/input.h>10#include <linux/kernel.h>11#include <linux/module.h>12#include <linux/pci_ids.h>13#include <linux/types.h>14 15static const struct acpi_device_id acer_wireless_acpi_ids[] = {16 {"10251229", 0},17 {"", 0},18};19MODULE_DEVICE_TABLE(acpi, acer_wireless_acpi_ids);20 21static void acer_wireless_notify(struct acpi_device *adev, u32 event)22{23 struct input_dev *idev = acpi_driver_data(adev);24 25 dev_dbg(&adev->dev, "event=%#x\n", event);26 if (event != 0x80) {27 dev_notice(&adev->dev, "Unknown SMKB event: %#x\n", event);28 return;29 }30 input_report_key(idev, KEY_RFKILL, 1);31 input_sync(idev);32 input_report_key(idev, KEY_RFKILL, 0);33 input_sync(idev);34}35 36static int acer_wireless_add(struct acpi_device *adev)37{38 struct input_dev *idev;39 40 idev = devm_input_allocate_device(&adev->dev);41 if (!idev)42 return -ENOMEM;43 44 adev->driver_data = idev;45 idev->name = "Acer Wireless Radio Control";46 idev->phys = "acer-wireless/input0";47 idev->id.bustype = BUS_HOST;48 idev->id.vendor = PCI_VENDOR_ID_AI;49 idev->id.product = 0x1229;50 set_bit(EV_KEY, idev->evbit);51 set_bit(KEY_RFKILL, idev->keybit);52 53 return input_register_device(idev);54}55 56static struct acpi_driver acer_wireless_driver = {57 .name = "Acer Wireless Radio Control Driver",58 .class = "hotkey",59 .ids = acer_wireless_acpi_ids,60 .ops = {61 .add = acer_wireless_add,62 .notify = acer_wireless_notify,63 },64};65module_acpi_driver(acer_wireless_driver);66 67MODULE_DESCRIPTION("Acer Wireless Radio Control Driver");68MODULE_AUTHOR("Chris Chiu <chiu@gmail.com>");69MODULE_LICENSE("GPL v2");70