LXR linux/drivers/acpi/int340x

   1/*
   2 * ACPI support for int340x thermal drivers
   3 *
   4 * Copyright (C) 2014, Intel Corporation
   5 * Authors: Zhang Rui <rui.zhang@intel.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#include <linux/acpi.h>
  13#include <linux/module.h>
  14
  15#include "internal.h"
  16
  17#define INT3401_DEVICE 0X01
  18static const struct acpi_device_id int340x_thermal_device_ids[] = {
  19        {"INT3400"},
  20        {"INT3401", INT3401_DEVICE},
  21        {"INT3402"},
  22        {"INT3403"},
  23        {"INT3404"},
  24        {"INT3406"},
  25        {"INT3407"},
  26        {"INT3408"},
  27        {"INT3409"},
  28        {"INT340A"},
  29        {"INT340B"},
  30        {""},
  31};
  32
  33static int int340x_thermal_handler_attach(struct acpi_device *adev,
  34                                        const struct acpi_device_id *id)
  35{
  36        if (IS_ENABLED(CONFIG_INT340X_THERMAL))
  37                acpi_create_platform_device(adev);
  38        /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
  39        else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
  40                 id->driver_data == INT3401_DEVICE)
  41                acpi_create_platform_device(adev);
  42        return 1;
  43}
  44
  45static struct acpi_scan_handler int340x_thermal_handler = {
  46        .ids = int340x_thermal_device_ids,
  47        .attach = int340x_thermal_handler_attach,
  48};
  49
  50void __init acpi_int340x_thermal_init(void)
  51{
  52        acpi_scan_add_handler(&int340x_thermal_handler);
  53}
  54