/* * Copyright 2014 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include "acpi.h" #include <core/device.h> #include <subdev/clk.h> #ifdef CONFIG_ACPI static int nvkm_acpi_ntfy(struct notifier_block *nb, unsigned long val, void *data) { struct nvkm_device *device = container_of(nb, typeof(*device), acpi.nb); struct acpi_bus_event *info = data; if (!strcmp(info->device_class, "ac_adapter")) nvkm_clk_pwrsrc(device); return NOTIFY_DONE; } #endif void nvkm_acpi_fini(struct nvkm_device *device) { #ifdef CONFIG_ACPI unregister_acpi_notifier(&device->acpi.nb); #endif } void nvkm_acpi_init(struct nvkm_device *device) { #ifdef CONFIG_ACPI device->acpi.nb.notifier_call = nvkm_acpi_ntfy; register_acpi_notifier(&device->acpi.nb); #endif }