linux/drivers/thermal/thermal_trip.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  Copyright (C) 2008 Intel Corp
 *  Copyright (C) 2008 Zhang Rui <[email protected]>
 *  Copyright (C) 2008 Sujith Thomas <[email protected]>
 *  Copyright 2022 Linaro Limited
 *
 * Thermal trips handling
 */
#include "thermal_core.h"

static const char *trip_type_names[] = …;

const char *thermal_trip_type_name(enum thermal_trip_type trip_type)
{ … }

int for_each_thermal_trip(struct thermal_zone_device *tz,
			  int (*cb)(struct thermal_trip *, void *),
			  void *data)
{ … }
EXPORT_SYMBOL_GPL(…);

int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
			       int (*cb)(struct thermal_trip *, void *),
			       void *data)
{ … }
EXPORT_SYMBOL_GPL(…);

int thermal_zone_get_num_trips(struct thermal_zone_device *tz)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * thermal_zone_set_trips - Computes the next trip points for the driver
 * @tz: a pointer to a thermal zone device structure
 *
 * The function computes the next temperature boundaries by browsing
 * the trip points. The result is the closer low and high trip points
 * to the current temperature. These values are passed to the backend
 * driver to let it set its own notification mechanism (usually an
 * interrupt).
 *
 * This function must be called with tz->lock held. Both tz and tz->ops
 * must be valid pointers.
 *
 * It does not return a value
 */
void thermal_zone_set_trips(struct thermal_zone_device *tz)
{ … }

int thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
			  struct thermal_trip *trip)
{ … }
EXPORT_SYMBOL_GPL(…);

int thermal_zone_trip_id(const struct thermal_zone_device *tz,
			 const struct thermal_trip *trip)
{ … }

void thermal_zone_trip_updated(struct thermal_zone_device *tz,
			       const struct thermal_trip *trip)
{ … }

void thermal_zone_set_trip_temp(struct thermal_zone_device *tz,
				struct thermal_trip *trip, int temp)
{ … }
EXPORT_SYMBOL_GPL(…);