src/gallium/auxiliary/hud/hud_sensors_temp.c - platform/external/mesa3d - Git at Google

 /**************************************************************************
  *
  * Copyright (C) 2016 Steven Toth <stoth@kernellabs.com>
  * Copyright (C) 2016 Zodiac Inflight Innovations
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
  *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  **************************************************************************/

 #if HAVE_LIBSENSORS
 /* Purpose: Extract lm-sensors data, expose temperature, power, voltage. */

 #include "hud/hud_private.h"
 #include "util/list.h"
 #include "os/os_time.h"
 #include "os/os_thread.h"
 #include "util/u_memory.h"
 #include <stdio.h>
 #include <unistd.h>
 #include <dirent.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <inttypes.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <sensors/sensors.h>

 /* TODO: We don't handle dynamic sensor discovery / arrival or removal.
  * Static globals specific to this HUD category.
  */
 static int gsensors_temp_count = 0;
 static struct list_head gsensors_temp_list;
 pipe_static_mutex(gsensor_temp_mutex);

 struct sensors_temp_info
 {
    struct list_head list;

    /* Combined chip and feature name, human readable. */
    char name[64];

    /* The type of measurement, critical or current. */
    unsigned int mode;

    uint64_t last_time;

    char chipname[64];
    char featurename[128];

    sensors_chip_name *chip;
    const sensors_feature *feature;
    double current, min, max, critical;
 };

 static double
 get_value(const sensors_chip_name *name, const sensors_subfeature *sub)
 {
    double val;
    int err;

    err = sensors_get_value(name, sub->number, &val);
    if (err) {
       fprintf(stderr, "ERROR: Can't get value of subfeature %s\n", sub->name);
       val = 0;
    }
    return val;
 }

 static void
 get_sensor_values(struct sensors_temp_info *sti)
 {
    const sensors_subfeature *sf;

    switch(sti->mode) {
    case SENSORS_VOLTAGE_CURRENT:
       sf = sensors_get_subfeature(sti->chip, sti->feature,
                                   SENSORS_SUBFEATURE_IN_INPUT);
       if (sf)
          sti->current = get_value(sti->chip, sf);
       break;
    case SENSORS_CURRENT_CURRENT:
       sf = sensors_get_subfeature(sti->chip, sti->feature,
                                   SENSORS_SUBFEATURE_CURR_INPUT);
       if (sf) {
          /* Sensors API returns in AMPs, even though driver is reporting mA,
           * convert back to mA */
          sti->current = get_value(sti->chip, sf) * 1000;
       }
      break;
    case SENSORS_TEMP_CURRENT:
       sf = sensors_get_subfeature(sti->chip, sti->feature,
                                   SENSORS_SUBFEATURE_TEMP_INPUT);
       if (sf)
          sti->current = get_value(sti->chip, sf);
       break;
    case SENSORS_TEMP_CRITICAL:
       sf = sensors_get_subfeature(sti->chip, sti->feature,
                                   SENSORS_SUBFEATURE_TEMP_CRIT);
       if (sf)
          sti->critical = get_value(sti->chip, sf);
       break;
    case SENSORS_POWER_CURRENT:
       sf = sensors_get_subfeature(sti->chip, sti->feature,
                                   SENSORS_SUBFEATURE_POWER_INPUT);
       if (sf) {
          /* Sensors API returns in WATTs, even though driver is reporting mW,
           * convert back to mW */
          sti->current = get_value(sti->chip, sf) * 1000;
       }
       break;
    }

    sf = sensors_get_subfeature(sti->chip, sti->feature,
                                SENSORS_SUBFEATURE_TEMP_MIN);
    if (sf)
       sti->min = get_value(sti->chip, sf);

    sf = sensors_get_subfeature(sti->chip, sti->feature,
                                SENSORS_SUBFEATURE_TEMP_MAX);
    if (sf)
       sti->max = get_value(sti->chip, sf);
 }

 static struct sensors_temp_info *
 find_sti_by_name(const char *n, unsigned int mode)
 {
    list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
       if (sti->mode != mode)
          continue;
       if (strcasecmp(sti->name, n) == 0)
          return sti;
    }
    return 0;
 }

 static void
 query_sti_load(struct hud_graph *gr)
 {
    struct sensors_temp_info *sti = gr->query_data;
    uint64_t now = os_time_get();

    if (sti->last_time) {
       if (sti->last_time + gr->pane->period <= now) {
          get_sensor_values(sti);

          switch (sti->mode) {
          case SENSORS_TEMP_CURRENT:
             hud_graph_add_value(gr, (uint64_t) sti->current);
             break;
          case SENSORS_TEMP_CRITICAL:
             hud_graph_add_value(gr, (uint64_t) sti->critical);
             break;
          case SENSORS_VOLTAGE_CURRENT:
             hud_graph_add_value(gr, (uint64_t)(sti->current * 1000));
             break;
          case SENSORS_CURRENT_CURRENT:
             hud_graph_add_value(gr, (uint64_t) sti->current);
             break;
          case SENSORS_POWER_CURRENT:
             hud_graph_add_value(gr, (uint64_t) sti->current);
             break;
          }

          sti->last_time = now;
       }
    }
    else {
       /* initialize */
       get_sensor_values(sti);
       sti->last_time = now;
    }
 }

 /**
   * Create and initialize a new object for a specific sensor interface dev.
   * \param  pane  parent context.
   * \param  dev_name  device name, EG. 'coretemp-isa-0000.Core 1'
   * \param  mode  query type (NIC_DIRECTION_RX/WR/RSSI) statistics.
   */
 void
 hud_sensors_temp_graph_install(struct hud_pane *pane, const char *dev_name,
                                unsigned int mode)
 {
    struct hud_graph *gr;
    struct sensors_temp_info *sti;

    int num_devs = hud_get_num_sensors(0);
    if (num_devs <= 0)
       return;

    sti = find_sti_by_name(dev_name, mode);
    if (!sti)
       return;

    gr = CALLOC_STRUCT(hud_graph);
    if (!gr)
       return;

    snprintf(gr->name, sizeof(gr->name), "%.6s..%s (%s)",
            sti->chipname,
            sti->featurename,
            sti->mode == SENSORS_VOLTAGE_CURRENT ? "Volts" :
            sti->mode == SENSORS_CURRENT_CURRENT ? "Amps" :
            sti->mode == SENSORS_TEMP_CURRENT ? "Curr" :
            sti->mode == SENSORS_POWER_CURRENT ? "Pow" :
            sti->mode == SENSORS_TEMP_CRITICAL ? "Crit" : "Unkn");

    gr->query_data = sti;
    gr->query_new_value = query_sti_load;

    hud_pane_add_graph(pane, gr);
    switch (sti->mode) {
    case SENSORS_TEMP_CURRENT:
    case SENSORS_TEMP_CRITICAL:
       hud_pane_set_max_value(pane, 120);
       break;
    case SENSORS_VOLTAGE_CURRENT:
       hud_pane_set_max_value(pane, 12);
       break;
    case SENSORS_CURRENT_CURRENT:
       hud_pane_set_max_value(pane, 5000);
       break;
    case SENSORS_POWER_CURRENT:
       hud_pane_set_max_value(pane, 5000 /* mW */);
       break;
    }
 }

 static void
 create_object(const char *chipname, const char *featurename,
              const sensors_chip_name *chip, const sensors_feature *feature,
              int mode)
 {
    struct sensors_temp_info *sti = CALLOC_STRUCT(sensors_temp_info);

    sti->mode = mode;
    sti->chip = (sensors_chip_name *) chip;
    sti->feature = feature;
    strcpy(sti->chipname, chipname);
    strcpy(sti->featurename, featurename);
    snprintf(sti->name, sizeof(sti->name), "%s.%s", sti->chipname,
       sti->featurename);

    list_addtail(&sti->list, &gsensors_temp_list);
    gsensors_temp_count++;
 }

 static void
 build_sensor_list(void)
 {
    const sensors_chip_name *chip;
    const sensors_chip_name *match = 0;
    const sensors_feature *feature;
    int chip_nr = 0;

    char name[256];
    while ((chip = sensors_get_detected_chips(match, &chip_nr))) {
       sensors_snprintf_chip_name(name, sizeof(name), chip);

       /* Get all features and filter accordingly. */
       int fnr = 0;
       while ((feature = sensors_get_features(chip, &fnr))) {
          char *featurename = sensors_get_label(chip, feature);
          if (!featurename)
             continue;

          /* Create a 'current' and 'critical' object pair.
           * Ignore sensor if its not temperature based.
           */
          switch(feature->type) {
          case SENSORS_FEATURE_TEMP:
             create_object(name, featurename, chip, feature,
                           SENSORS_TEMP_CURRENT);
             create_object(name, featurename, chip, feature,
                           SENSORS_TEMP_CRITICAL);
             break;
          case SENSORS_FEATURE_IN:
             create_object(name, featurename, chip, feature,
                           SENSORS_VOLTAGE_CURRENT);
             break;
          case SENSORS_FEATURE_CURR:
             create_object(name, featurename, chip, feature,
                           SENSORS_CURRENT_CURRENT);
             break;
          case SENSORS_FEATURE_POWER:
             create_object(name, featurename, chip, feature,
                           SENSORS_POWER_CURRENT);
             break;
          default:
             break;
          }
          free(featurename);
       }
    }
 }

 /**
   * Initialize internal object arrays and display lmsensors HUD help.
   * \param  displayhelp  true if the list of detected devices should be
                          displayed on the console.
   * \return  number of detected lmsensor devices.
   */
 int
 hud_get_num_sensors(bool displayhelp)
 {
    /* Return the number of sensors detected. */
    pipe_mutex_lock(gsensor_temp_mutex);
    if (gsensors_temp_count) {
       pipe_mutex_unlock(gsensor_temp_mutex);
       return gsensors_temp_count;
    }

    int ret = sensors_init(NULL);
    if (ret) {
       pipe_mutex_unlock(gsensor_temp_mutex);
       return 0;
    }

    list_inithead(&gsensors_temp_list);

    /* Scan /sys/block, for every object type we support, create and
     * persist an object to represent its different statistics.
     */
    build_sensor_list();

    if (displayhelp) {
       list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
          char line[64];
          switch (sti->mode) {
          case SENSORS_TEMP_CURRENT:
             snprintf(line, sizeof(line), "    sensors_temp_cu-%s", sti->name);
             break;
          case SENSORS_TEMP_CRITICAL:
             snprintf(line, sizeof(line), "    sensors_temp_cr-%s", sti->name);
             break;
          case SENSORS_VOLTAGE_CURRENT:
             snprintf(line, sizeof(line), "    sensors_volt_cu-%s", sti->name);
             break;
          case SENSORS_CURRENT_CURRENT:
             snprintf(line, sizeof(line), "    sensors_curr_cu-%s", sti->name);
             break;
          case SENSORS_POWER_CURRENT:
             snprintf(line, sizeof(line), "    sensors_pow_cu-%s", sti->name);
             break;
          }

          puts(line);
       }
    }

    pipe_mutex_unlock(gsensor_temp_mutex);
    return gsensors_temp_count;
 }

 #endif /* HAVE_LIBSENSORS */
	/**************************************************************************
	*
	* Copyright (C) 2016 Steven Toth <stoth@kernellabs.com>
	* Copyright (C) 2016 Zodiac Inflight Innovations
	* All Rights Reserved.
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the
	* "Software"), to deal in the Software without restriction, including
	* without limitation the rights to use, copy, modify, merge, publish,
	* distribute, sub license, and/or sell copies of the Software, and to
	* permit persons to whom the Software is furnished to do so, subject to
	* the following conditions:
	*
	* The above copyright notice and this permission notice (including the
	* next paragraph) shall be included in all copies or substantial portions
	* of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
	* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
	* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	*
	**************************************************************************/

	#if HAVE_LIBSENSORS
	/* Purpose: Extract lm-sensors data, expose temperature, power, voltage. */

	#include "hud/hud_private.h"
	#include "util/list.h"
	#include "os/os_time.h"
	#include "os/os_thread.h"
	#include "util/u_memory.h"
	#include <stdio.h>
	#include <unistd.h>
	#include <dirent.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <inttypes.h>
	#include <sys/types.h>
	#include <sys/stat.h>
	#include <unistd.h>
	#include <sensors/sensors.h>

	/* TODO: We don't handle dynamic sensor discovery / arrival or removal.
	* Static globals specific to this HUD category.
	*/
	static int gsensors_temp_count = 0;
	static struct list_head gsensors_temp_list;
	pipe_static_mutex(gsensor_temp_mutex);

	struct sensors_temp_info
	{
	struct list_head list;

	/* Combined chip and feature name, human readable. */
	char name[64];

	/* The type of measurement, critical or current. */
	unsigned int mode;

	uint64_t last_time;

	char chipname[64];
	char featurename[128];

	sensors_chip_name *chip;
	const sensors_feature *feature;
	double current, min, max, critical;
	};

	static double
	get_value(const sensors_chip_name name, const sensors_subfeature sub)
	{
	double val;
	int err;

	err = sensors_get_value(name, sub->number, &val);
	if (err) {
	fprintf(stderr, "ERROR: Can't get value of subfeature %s\n", sub->name);
	val = 0;
	}
	return val;
	}

	static void
	get_sensor_values(struct sensors_temp_info *sti)
	{
	const sensors_subfeature *sf;

	switch(sti->mode) {
	case SENSORS_VOLTAGE_CURRENT:
	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_IN_INPUT);
	if (sf)
	sti->current = get_value(sti->chip, sf);
	break;
	case SENSORS_CURRENT_CURRENT:
	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_CURR_INPUT);
	if (sf) {
	/* Sensors API returns in AMPs, even though driver is reporting mA,
	* convert back to mA */
	sti->current = get_value(sti->chip, sf) * 1000;
	}
	break;
	case SENSORS_TEMP_CURRENT:
	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_TEMP_INPUT);
	if (sf)
	sti->current = get_value(sti->chip, sf);
	break;
	case SENSORS_TEMP_CRITICAL:
	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_TEMP_CRIT);
	if (sf)
	sti->critical = get_value(sti->chip, sf);
	break;
	case SENSORS_POWER_CURRENT:
	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_POWER_INPUT);
	if (sf) {
	/* Sensors API returns in WATTs, even though driver is reporting mW,
	* convert back to mW */
	sti->current = get_value(sti->chip, sf) * 1000;
	}
	break;
	}

	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_TEMP_MIN);
	if (sf)
	sti->min = get_value(sti->chip, sf);

	sf = sensors_get_subfeature(sti->chip, sti->feature,
	SENSORS_SUBFEATURE_TEMP_MAX);
	if (sf)
	sti->max = get_value(sti->chip, sf);
	}

	static struct sensors_temp_info *
	find_sti_by_name(const char *n, unsigned int mode)
	{
	list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
	if (sti->mode != mode)
	continue;
	if (strcasecmp(sti->name, n) == 0)
	return sti;
	}
	return 0;
	}

	static void
	query_sti_load(struct hud_graph *gr)
	{
	struct sensors_temp_info *sti = gr->query_data;
	uint64_t now = os_time_get();

	if (sti->last_time) {
	if (sti->last_time + gr->pane->period <= now) {
	get_sensor_values(sti);

	switch (sti->mode) {
	case SENSORS_TEMP_CURRENT:
	hud_graph_add_value(gr, (uint64_t) sti->current);
	break;
	case SENSORS_TEMP_CRITICAL:
	hud_graph_add_value(gr, (uint64_t) sti->critical);
	break;
	case SENSORS_VOLTAGE_CURRENT:
	hud_graph_add_value(gr, (uint64_t)(sti->current * 1000));
	break;
	case SENSORS_CURRENT_CURRENT:
	hud_graph_add_value(gr, (uint64_t) sti->current);
	break;
	case SENSORS_POWER_CURRENT:
	hud_graph_add_value(gr, (uint64_t) sti->current);
	break;
	}

	sti->last_time = now;
	}
	}
	else {
	/* initialize */
	get_sensor_values(sti);
	sti->last_time = now;
	}
	}

	/**
	* Create and initialize a new object for a specific sensor interface dev.
	* \param pane parent context.
	* \param dev_name device name, EG. 'coretemp-isa-0000.Core 1'
	* \param mode query type (NIC_DIRECTION_RX/WR/RSSI) statistics.
	*/
	void
	hud_sensors_temp_graph_install(struct hud_pane pane, const char dev_name,
	unsigned int mode)
	{
	struct hud_graph *gr;
	struct sensors_temp_info *sti;

	int num_devs = hud_get_num_sensors(0);
	if (num_devs <= 0)
	return;

	sti = find_sti_by_name(dev_name, mode);
	if (!sti)
	return;

	gr = CALLOC_STRUCT(hud_graph);
	if (!gr)
	return;

	snprintf(gr->name, sizeof(gr->name), "%.6s..%s (%s)",
	sti->chipname,
	sti->featurename,
	sti->mode == SENSORS_VOLTAGE_CURRENT ? "Volts" :
	sti->mode == SENSORS_CURRENT_CURRENT ? "Amps" :
	sti->mode == SENSORS_TEMP_CURRENT ? "Curr" :
	sti->mode == SENSORS_POWER_CURRENT ? "Pow" :
	sti->mode == SENSORS_TEMP_CRITICAL ? "Crit" : "Unkn");

	gr->query_data = sti;
	gr->query_new_value = query_sti_load;

	hud_pane_add_graph(pane, gr);
	switch (sti->mode) {
	case SENSORS_TEMP_CURRENT:
	case SENSORS_TEMP_CRITICAL:
	hud_pane_set_max_value(pane, 120);
	break;
	case SENSORS_VOLTAGE_CURRENT:
	hud_pane_set_max_value(pane, 12);
	break;
	case SENSORS_CURRENT_CURRENT:
	hud_pane_set_max_value(pane, 5000);
	break;
	case SENSORS_POWER_CURRENT:
	hud_pane_set_max_value(pane, 5000 /* mW */);
	break;
	}
	}

	static void
	create_object(const char chipname, const char featurename,
	const sensors_chip_name chip, const sensors_feature feature,
	int mode)
	{
	struct sensors_temp_info *sti = CALLOC_STRUCT(sensors_temp_info);

	sti->mode = mode;
	sti->chip = (sensors_chip_name *) chip;
	sti->feature = feature;
	strcpy(sti->chipname, chipname);
	strcpy(sti->featurename, featurename);
	snprintf(sti->name, sizeof(sti->name), "%s.%s", sti->chipname,
	sti->featurename);

	list_addtail(&sti->list, &gsensors_temp_list);
	gsensors_temp_count++;
	}

	static void
	build_sensor_list(void)
	{
	const sensors_chip_name *chip;
	const sensors_chip_name *match = 0;
	const sensors_feature *feature;
	int chip_nr = 0;

	char name[256];
	while ((chip = sensors_get_detected_chips(match, &chip_nr))) {
	sensors_snprintf_chip_name(name, sizeof(name), chip);

	/* Get all features and filter accordingly. */
	int fnr = 0;
	while ((feature = sensors_get_features(chip, &fnr))) {
	char *featurename = sensors_get_label(chip, feature);
	if (!featurename)
	continue;

	/* Create a 'current' and 'critical' object pair.
	* Ignore sensor if its not temperature based.
	*/
	switch(feature->type) {
	case SENSORS_FEATURE_TEMP:
	create_object(name, featurename, chip, feature,
	SENSORS_TEMP_CURRENT);
	create_object(name, featurename, chip, feature,
	SENSORS_TEMP_CRITICAL);
	break;
	case SENSORS_FEATURE_IN:
	create_object(name, featurename, chip, feature,
	SENSORS_VOLTAGE_CURRENT);
	break;
	case SENSORS_FEATURE_CURR:
	create_object(name, featurename, chip, feature,
	SENSORS_CURRENT_CURRENT);
	break;
	case SENSORS_FEATURE_POWER:
	create_object(name, featurename, chip, feature,
	SENSORS_POWER_CURRENT);
	break;
	default:
	break;
	}
	free(featurename);
	}
	}
	}

	/**
	* Initialize internal object arrays and display lmsensors HUD help.
	* \param displayhelp true if the list of detected devices should be
	displayed on the console.
	* \return number of detected lmsensor devices.
	*/
	int
	hud_get_num_sensors(bool displayhelp)
	{
	/* Return the number of sensors detected. */
	pipe_mutex_lock(gsensor_temp_mutex);
	if (gsensors_temp_count) {
	pipe_mutex_unlock(gsensor_temp_mutex);
	return gsensors_temp_count;
	}

	int ret = sensors_init(NULL);
	if (ret) {
	pipe_mutex_unlock(gsensor_temp_mutex);
	return 0;
	}

	list_inithead(&gsensors_temp_list);

	/* Scan /sys/block, for every object type we support, create and
	* persist an object to represent its different statistics.
	*/
	build_sensor_list();

	if (displayhelp) {
	list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
	char line[64];
	switch (sti->mode) {
	case SENSORS_TEMP_CURRENT:
	snprintf(line, sizeof(line), " sensors_temp_cu-%s", sti->name);
	break;
	case SENSORS_TEMP_CRITICAL:
	snprintf(line, sizeof(line), " sensors_temp_cr-%s", sti->name);
	break;
	case SENSORS_VOLTAGE_CURRENT:
	snprintf(line, sizeof(line), " sensors_volt_cu-%s", sti->name);
	break;
	case SENSORS_CURRENT_CURRENT:
	snprintf(line, sizeof(line), " sensors_curr_cu-%s", sti->name);
	break;
	case SENSORS_POWER_CURRENT:
	snprintf(line, sizeof(line), " sensors_pow_cu-%s", sti->name);
	break;
	}

	puts(line);
	}
	}

	pipe_mutex_unlock(gsensor_temp_mutex);
	return gsensors_temp_count;
	}

	#endif /* HAVE_LIBSENSORS */