forked from Minki/linux
820cdeba40
Using APIs from int340x thermal zone module to add and remove thermal zones. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/*
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* INT3402 thermal driver for memory temperature reporting
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*
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* Copyright (C) 2014, Intel Corporation
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* Authors: Aaron Lu <aaron.lu@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/acpi.h>
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#include <linux/thermal.h>
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#include "int340x_thermal_zone.h"
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struct int3402_thermal_data {
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acpi_handle *handle;
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struct int34x_thermal_zone *int340x_zone;
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};
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static int int3402_thermal_probe(struct platform_device *pdev)
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{
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struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
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struct int3402_thermal_data *d;
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if (!acpi_has_method(adev->handle, "_TMP"))
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return -ENODEV;
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d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL);
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if (!d)
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return -ENOMEM;
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d->int340x_zone = int340x_thermal_zone_add(adev, NULL);
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if (IS_ERR(d->int340x_zone))
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return PTR_ERR(d->int340x_zone);
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d->handle = adev->handle;
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platform_set_drvdata(pdev, d);
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return 0;
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}
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static int int3402_thermal_remove(struct platform_device *pdev)
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{
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struct int3402_thermal_data *d = platform_get_drvdata(pdev);
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int340x_thermal_zone_remove(d->int340x_zone);
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return 0;
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}
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static const struct acpi_device_id int3402_thermal_match[] = {
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{"INT3402", 0},
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{}
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};
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MODULE_DEVICE_TABLE(acpi, int3402_thermal_match);
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static struct platform_driver int3402_thermal_driver = {
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.probe = int3402_thermal_probe,
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.remove = int3402_thermal_remove,
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.driver = {
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.name = "int3402 thermal",
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.acpi_match_table = int3402_thermal_match,
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},
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};
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module_platform_driver(int3402_thermal_driver);
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MODULE_DESCRIPTION("INT3402 Thermal driver");
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MODULE_LICENSE("GPL");
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