Edit: i8k.h
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops * * Copyright (C) 2001 Massimo Dal Zotto <dz@debian.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #ifndef _LINUX_I8K_H #define _LINUX_I8K_H #define I8K_PROC "/proc/i8k" #define I8K_PROC_FMT "1.0" #define I8K_BIOS_VERSION _IOR ('i', 0x80, int) /* broken: meant 4 bytes */ #define I8K_MACHINE_ID _IOR ('i', 0x81, int) /* broken: meant 16 bytes */ #define I8K_POWER_STATUS _IOR ('i', 0x82, size_t) #define I8K_FN_STATUS _IOR ('i', 0x83, size_t) #define I8K_GET_TEMP _IOR ('i', 0x84, size_t) #define I8K_GET_SPEED _IOWR('i', 0x85, size_t) #define I8K_GET_FAN _IOWR('i', 0x86, size_t) #define I8K_SET_FAN _IOWR('i', 0x87, size_t) #define I8K_FAN_LEFT 1 #define I8K_FAN_RIGHT 0 #define I8K_FAN_OFF 0 #define I8K_FAN_LOW 1 #define I8K_FAN_HIGH 2 #define I8K_FAN_TURBO 3 #define I8K_FAN_MAX I8K_FAN_TURBO #define I8K_VOL_UP 1 #define I8K_VOL_DOWN 2 #define I8K_VOL_MUTE 4 #define I8K_AC 1 #define I8K_BATTERY 0 #endif
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