| // Copyright 2015 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THERMALD_COOLING_DEVICE_H_ |
| #define THERMALD_COOLING_DEVICE_H_ |
| |
| #include "base/macros.h" |
| #include "base/files/file_path.h" |
| |
| namespace thermald { |
| |
| // Interface for interacting with a cooling device of the Linux kernel thermal |
| // subsystem: https://www.kernel.org/doc/Documentation/thermal/sysfs-api.txt |
| class CoolingDevice { |
| public: |
| // Constructs a cooling device which corresponds to the cooling device with |
| // the specified id exposed by the kernel. |
| explicit CoolingDevice(int id); |
| |
| // Set the current throttle state of the cooling device. |
| bool SetThrottleState(int state); |
| |
| // Get the current throttle state of the cooling device. |
| bool GetThrottleState(int *state) const; |
| |
| int id() const { return id_; } |
| |
| private: |
| const int id_; |
| const base::FilePath cur_state_attr_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CoolingDevice); |
| }; |
| |
| } // namespace thermald |
| |
| #endif // THERMALD_COOLING_DEVICE_H_ |