threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
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* Copyright (C) 2015 MediaTek Inc.
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/thermal.h>
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#include "thermal_core.h"
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/**
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* backward_compatible_throttle
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* @tz - thermal_zone_device
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*
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* This function update the cooler state by monitoring the current
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* temperature and trip points
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*/
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static int backward_compatible_throttle(struct thermal_zone_device *tz,
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int trip)
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{
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int trip_temp;
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struct thermal_instance *instance;
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if (trip == THERMAL_TRIPS_NONE)
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trip_temp = tz->forced_passive;
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else
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tz->ops->get_trip_temp(tz, trip, &trip_temp);
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mutex_lock(&tz->lock);
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list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
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if (instance->trip != trip)
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continue;
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if (tz->temperature >= trip_temp)
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instance->target = 1;
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else
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instance->target = 0;
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instance->cdev->updated = false;
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thermal_cdev_update(instance->cdev);
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}
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mutex_unlock(&tz->lock);
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return 0;
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}
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static struct thermal_governor thermal_gov_backward_compatible = {
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.name = "backward_compatible",
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.throttle = backward_compatible_throttle,
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};
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static int __init thermal_gov_backward_compatible_init(void)
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{
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return thermal_register_governor(&thermal_gov_backward_compatible);
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}
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static void __exit thermal_gov_backward_compatible_exit(void)
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{
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thermal_unregister_governor(&thermal_gov_backward_compatible);
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}
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/* This should load after thermal framework */
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fs_initcall(thermal_gov_backward_compatible_init);
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module_exit(thermal_gov_backward_compatible_exit);
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MODULE_AUTHOR("Weiyi Lu");
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MODULE_DESCRIPTION("A backward compatible Thermal governor");
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MODULE_LICENSE("GPL");
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