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1/*2 * Copyright 2014 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "acpi.h"25 26#include <core/device.h>27#include <subdev/clk.h>28 29#ifdef CONFIG_ACPI30static int31nvkm_acpi_ntfy(struct notifier_block *nb, unsigned long val, void *data)32{33 struct nvkm_device *device = container_of(nb, typeof(*device), acpi.nb);34 struct acpi_bus_event *info = data;35 36 if (!strcmp(info->device_class, "ac_adapter"))37 nvkm_clk_pwrsrc(device);38 39 return NOTIFY_DONE;40}41#endif42 43void44nvkm_acpi_fini(struct nvkm_device *device)45{46#ifdef CONFIG_ACPI47 unregister_acpi_notifier(&device->acpi.nb);48#endif49}50 51void52nvkm_acpi_init(struct nvkm_device *device)53{54#ifdef CONFIG_ACPI55 device->acpi.nb.notifier_call = nvkm_acpi_ntfy;56 register_acpi_notifier(&device->acpi.nb);57#endif58}59