kernel/include/acpi/acpi_lpat.h

   1 /*
   2  * acpi_lpat.h - LPAT table processing functions
   3  *
   4  * Copyright (C) 2015 Intel Corporation. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version
   8  * 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef ACPI_LPAT_H
  17 #define ACPI_LPAT_H
  18
  19 struct acpi_lpat {
  20         int temp;
  21         int raw;
  22 };
  23
  24 struct acpi_lpat_conversion_table {
  25         struct acpi_lpat *lpat;
  26         int lpat_count;
  27 };
  28
  29 #ifdef CONFIG_ACPI
  30
  31 int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
  32                           int raw);
  33 int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,
  34                           int temp);
  35 struct acpi_lpat_conversion_table *acpi_lpat_get_conversion_table(acpi_handle
  36                                                                   handle);
  37 void acpi_lpat_free_conversion_table(struct acpi_lpat_conversion_table
  38                                      *lpat_table);
  39
  40 #else
  41 static int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
  42                                  int raw)
  43 {
  44         return 0;
  45 }
  46
  47 static int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,
  48                                  int temp)
  49 {
  50         return 0;
  51 }
  52
  53 static struct acpi_lpat_conversion_table *acpi_lpat_get_conversion_table(
  54                                                         acpi_handle handle)
  55 {
  56         return NULL;
  57 }
  58
  59 static void acpi_lpat_free_conversion_table(struct acpi_lpat_conversion_table
  60                                             *lpat_table)
  61 {
  62 }
  63
  64 #endif
  65 #endif