mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 01:08:03 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
596
tools/thermal/tmon/sysfs.c
Normal file
596
tools/thermal/tmon/sysfs.c
Normal file
|
|
@ -0,0 +1,596 @@
|
|||
/*
|
||||
* sysfs.c sysfs ABI access functions for TMON program
|
||||
*
|
||||
* Copyright (C) 2013 Intel Corporation. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License version
|
||||
* 2 or later as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* Author: Jacob Pan <jacob.jun.pan@linux.intel.com>
|
||||
*
|
||||
*/
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdint.h>
|
||||
#include <dirent.h>
|
||||
#include <libintl.h>
|
||||
#include <ctype.h>
|
||||
#include <time.h>
|
||||
#include <syslog.h>
|
||||
#include <sys/time.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include "tmon.h"
|
||||
|
||||
struct tmon_platform_data ptdata;
|
||||
const char *trip_type_name[] = {
|
||||
"critical",
|
||||
"hot",
|
||||
"passive",
|
||||
"active",
|
||||
};
|
||||
|
||||
int sysfs_set_ulong(char *path, char *filename, unsigned long val)
|
||||
{
|
||||
FILE *fd;
|
||||
int ret = -1;
|
||||
char filepath[256];
|
||||
|
||||
snprintf(filepath, 256, "%s/%s", path, filename);
|
||||
|
||||
fd = fopen(filepath, "w");
|
||||
if (!fd) {
|
||||
syslog(LOG_ERR, "Err: open %s: %s\n", __func__, filepath);
|
||||
return ret;
|
||||
}
|
||||
ret = fprintf(fd, "%lu", val);
|
||||
fclose(fd);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* history of thermal data, used for control algo */
|
||||
#define NR_THERMAL_RECORDS 3
|
||||
struct thermal_data_record trec[NR_THERMAL_RECORDS];
|
||||
int cur_thermal_record; /* index to the trec array */
|
||||
|
||||
static int sysfs_get_ulong(char *path, char *filename, unsigned long *p_ulong)
|
||||
{
|
||||
FILE *fd;
|
||||
int ret = -1;
|
||||
char filepath[256];
|
||||
|
||||
snprintf(filepath, 256, "%s/%s", path, filename);
|
||||
|
||||
fd = fopen(filepath, "r");
|
||||
if (!fd) {
|
||||
syslog(LOG_ERR, "Err: open %s: %s\n", __func__, filepath);
|
||||
return ret;
|
||||
}
|
||||
ret = fscanf(fd, "%lu", p_ulong);
|
||||
fclose(fd);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sysfs_get_string(char *path, char *filename, char *str)
|
||||
{
|
||||
FILE *fd;
|
||||
int ret = -1;
|
||||
char filepath[256];
|
||||
|
||||
snprintf(filepath, 256, "%s/%s", path, filename);
|
||||
|
||||
fd = fopen(filepath, "r");
|
||||
if (!fd) {
|
||||
syslog(LOG_ERR, "Err: open %s: %s\n", __func__, filepath);
|
||||
return ret;
|
||||
}
|
||||
ret = fscanf(fd, "%256s", str);
|
||||
fclose(fd);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* get states of the cooling device instance */
|
||||
static int probe_cdev(struct cdev_info *cdi, char *path)
|
||||
{
|
||||
sysfs_get_string(path, "type", cdi->type);
|
||||
sysfs_get_ulong(path, "max_state", &cdi->max_state);
|
||||
sysfs_get_ulong(path, "cur_state", &cdi->cur_state);
|
||||
|
||||
syslog(LOG_INFO, "%s: %s: type %s, max %lu, curr %lu inst %d\n",
|
||||
__func__, path,
|
||||
cdi->type, cdi->max_state, cdi->cur_state, cdi->instance);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int str_to_trip_type(char *name)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < NR_THERMAL_TRIP_TYPE; i++) {
|
||||
if (!strcmp(name, trip_type_name[i]))
|
||||
return i;
|
||||
}
|
||||
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
/* scan and fill in trip point info for a thermal zone and trip point id */
|
||||
static int get_trip_point_data(char *tz_path, int tzid, int tpid)
|
||||
{
|
||||
char filename[256];
|
||||
char temp_str[256];
|
||||
int trip_type;
|
||||
|
||||
if (tpid >= MAX_NR_TRIP)
|
||||
return -EINVAL;
|
||||
/* check trip point type */
|
||||
snprintf(filename, sizeof(filename), "trip_point_%d_type", tpid);
|
||||
sysfs_get_string(tz_path, filename, temp_str);
|
||||
trip_type = str_to_trip_type(temp_str);
|
||||
if (trip_type < 0) {
|
||||
syslog(LOG_ERR, "%s:%s no matching type\n", __func__, temp_str);
|
||||
return -ENOENT;
|
||||
}
|
||||
ptdata.tzi[tzid].tp[tpid].type = trip_type;
|
||||
syslog(LOG_INFO, "%s:tz:%d tp:%d:type:%s type id %d\n", __func__, tzid,
|
||||
tpid, temp_str, trip_type);
|
||||
|
||||
/* TODO: check attribute */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* return instance id for file format such as trip_point_4_temp */
|
||||
static int get_instance_id(char *name, int pos, int skip)
|
||||
{
|
||||
char *ch;
|
||||
int i = 0;
|
||||
|
||||
ch = strtok(name, "_");
|
||||
while (ch != NULL) {
|
||||
++i;
|
||||
syslog(LOG_INFO, "%s:%s:%s:%d", __func__, name, ch, i);
|
||||
ch = strtok(NULL, "_");
|
||||
if (pos == i)
|
||||
return atol(ch + skip);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Find trip point info of a thermal zone */
|
||||
static int find_tzone_tp(char *tz_name, char *d_name, struct tz_info *tzi,
|
||||
int tz_id)
|
||||
{
|
||||
int tp_id;
|
||||
unsigned long temp_ulong;
|
||||
|
||||
if (strstr(d_name, "trip_point") &&
|
||||
strstr(d_name, "temp")) {
|
||||
/* check if trip point temp is non-zero
|
||||
* ignore 0/invalid trip points
|
||||
*/
|
||||
sysfs_get_ulong(tz_name, d_name, &temp_ulong);
|
||||
if (temp_ulong < MAX_TEMP_KC) {
|
||||
tzi->nr_trip_pts++;
|
||||
/* found a valid trip point */
|
||||
tp_id = get_instance_id(d_name, 2, 0);
|
||||
syslog(LOG_DEBUG, "tzone %s trip %d temp %lu tpnode %s",
|
||||
tz_name, tp_id, temp_ulong, d_name);
|
||||
if (tp_id < 0 || tp_id >= MAX_NR_TRIP) {
|
||||
syslog(LOG_ERR, "Failed to find TP inst %s\n",
|
||||
d_name);
|
||||
return -1;
|
||||
}
|
||||
get_trip_point_data(tz_name, tz_id, tp_id);
|
||||
tzi->tp[tp_id].temp = temp_ulong;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* check cooling devices for binding info. */
|
||||
static int find_tzone_cdev(struct dirent *nl, char *tz_name,
|
||||
struct tz_info *tzi, int tz_id, int cid)
|
||||
{
|
||||
unsigned long trip_instance = 0;
|
||||
char cdev_name_linked[256];
|
||||
char cdev_name[256];
|
||||
char cdev_trip_name[256];
|
||||
int cdev_id;
|
||||
|
||||
if (nl->d_type == DT_LNK) {
|
||||
syslog(LOG_DEBUG, "TZ%d: cdev: %s cid %d\n", tz_id, nl->d_name,
|
||||
cid);
|
||||
tzi->nr_cdev++;
|
||||
if (tzi->nr_cdev > ptdata.nr_cooling_dev) {
|
||||
syslog(LOG_ERR, "Err: Too many cdev? %d\n",
|
||||
tzi->nr_cdev);
|
||||
return -EINVAL;
|
||||
}
|
||||
/* find the link to real cooling device record binding */
|
||||
snprintf(cdev_name, 256, "%s/%s", tz_name, nl->d_name);
|
||||
memset(cdev_name_linked, 0, sizeof(cdev_name_linked));
|
||||
if (readlink(cdev_name, cdev_name_linked,
|
||||
sizeof(cdev_name_linked) - 1) != -1) {
|
||||
cdev_id = get_instance_id(cdev_name_linked, 1,
|
||||
sizeof("device") - 1);
|
||||
syslog(LOG_DEBUG, "cdev %s linked to %s : %d\n",
|
||||
cdev_name, cdev_name_linked, cdev_id);
|
||||
tzi->cdev_binding |= (1 << cdev_id);
|
||||
|
||||
/* find the trip point in which the cdev is binded to
|
||||
* in this tzone
|
||||
*/
|
||||
snprintf(cdev_trip_name, 256, "%s%s", nl->d_name,
|
||||
"_trip_point");
|
||||
sysfs_get_ulong(tz_name, cdev_trip_name,
|
||||
&trip_instance);
|
||||
/* validate trip point range, e.g. trip could return -1
|
||||
* when passive is enabled
|
||||
*/
|
||||
if (trip_instance > MAX_NR_TRIP)
|
||||
trip_instance = 0;
|
||||
tzi->trip_binding[cdev_id] |= 1 << trip_instance;
|
||||
syslog(LOG_DEBUG, "cdev %s -> trip:%lu: 0x%lx %d\n",
|
||||
cdev_name, trip_instance,
|
||||
tzi->trip_binding[cdev_id],
|
||||
cdev_id);
|
||||
|
||||
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
* Before calling scan_tzones, thermal sysfs must be probed to determine
|
||||
* the number of thermal zones and cooling devices.
|
||||
* We loop through each thermal zone and fill in tz_info struct, i.e.
|
||||
* ptdata.tzi[]
|
||||
root@jacob-chiefriver:~# tree -d /sys/class/thermal/thermal_zone0
|
||||
/sys/class/thermal/thermal_zone0
|
||||
|-- cdev0 -> ../cooling_device4
|
||||
|-- cdev1 -> ../cooling_device3
|
||||
|-- cdev10 -> ../cooling_device7
|
||||
|-- cdev11 -> ../cooling_device6
|
||||
|-- cdev12 -> ../cooling_device5
|
||||
|-- cdev2 -> ../cooling_device2
|
||||
|-- cdev3 -> ../cooling_device1
|
||||
|-- cdev4 -> ../cooling_device0
|
||||
|-- cdev5 -> ../cooling_device12
|
||||
|-- cdev6 -> ../cooling_device11
|
||||
|-- cdev7 -> ../cooling_device10
|
||||
|-- cdev8 -> ../cooling_device9
|
||||
|-- cdev9 -> ../cooling_device8
|
||||
|-- device -> ../../../LNXSYSTM:00/device:62/LNXTHERM:00
|
||||
|-- power
|
||||
`-- subsystem -> ../../../../class/thermal
|
||||
*****************************************************************************/
|
||||
static int scan_tzones(void)
|
||||
{
|
||||
DIR *dir;
|
||||
struct dirent **namelist;
|
||||
char tz_name[256];
|
||||
int i, j, n, k = 0;
|
||||
|
||||
if (!ptdata.nr_tz_sensor)
|
||||
return -1;
|
||||
|
||||
for (i = 0; i <= ptdata.max_tz_instance; i++) {
|
||||
memset(tz_name, 0, sizeof(tz_name));
|
||||
snprintf(tz_name, 256, "%s/%s%d", THERMAL_SYSFS, TZONE, i);
|
||||
|
||||
dir = opendir(tz_name);
|
||||
if (!dir) {
|
||||
syslog(LOG_INFO, "Thermal zone %s skipped\n", tz_name);
|
||||
continue;
|
||||
}
|
||||
/* keep track of valid tzones */
|
||||
n = scandir(tz_name, &namelist, 0, alphasort);
|
||||
if (n < 0)
|
||||
syslog(LOG_ERR, "scandir failed in %s", tz_name);
|
||||
else {
|
||||
sysfs_get_string(tz_name, "type", ptdata.tzi[k].type);
|
||||
ptdata.tzi[k].instance = i;
|
||||
/* detect trip points and cdev attached to this tzone */
|
||||
j = 0; /* index for cdev */
|
||||
ptdata.tzi[k].nr_cdev = 0;
|
||||
ptdata.tzi[k].nr_trip_pts = 0;
|
||||
while (n--) {
|
||||
char *temp_str;
|
||||
|
||||
if (find_tzone_tp(tz_name, namelist[n]->d_name,
|
||||
&ptdata.tzi[k], k))
|
||||
break;
|
||||
temp_str = strstr(namelist[n]->d_name, "cdev");
|
||||
if (!temp_str) {
|
||||
free(namelist[n]);
|
||||
continue;
|
||||
}
|
||||
if (!find_tzone_cdev(namelist[n], tz_name,
|
||||
&ptdata.tzi[k], i, j))
|
||||
j++; /* increment cdev index */
|
||||
free(namelist[n]);
|
||||
}
|
||||
free(namelist);
|
||||
}
|
||||
/*TODO: reverse trip points */
|
||||
closedir(dir);
|
||||
syslog(LOG_INFO, "TZ %d has %d cdev\n", i,
|
||||
ptdata.tzi[k].nr_cdev);
|
||||
k++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int scan_cdevs(void)
|
||||
{
|
||||
DIR *dir;
|
||||
struct dirent **namelist;
|
||||
char cdev_name[256];
|
||||
int i, n, k = 0;
|
||||
|
||||
if (!ptdata.nr_cooling_dev) {
|
||||
fprintf(stderr, "No cooling devices found\n");
|
||||
return 0;
|
||||
}
|
||||
for (i = 0; i <= ptdata.max_cdev_instance; i++) {
|
||||
memset(cdev_name, 0, sizeof(cdev_name));
|
||||
snprintf(cdev_name, 256, "%s/%s%d", THERMAL_SYSFS, CDEV, i);
|
||||
|
||||
dir = opendir(cdev_name);
|
||||
if (!dir) {
|
||||
syslog(LOG_INFO, "Cooling dev %s skipped\n", cdev_name);
|
||||
/* there is a gap in cooling device id, check again
|
||||
* for the same index.
|
||||
*/
|
||||
continue;
|
||||
}
|
||||
|
||||
n = scandir(cdev_name, &namelist, 0, alphasort);
|
||||
if (n < 0)
|
||||
syslog(LOG_ERR, "scandir failed in %s", cdev_name);
|
||||
else {
|
||||
sysfs_get_string(cdev_name, "type", ptdata.cdi[k].type);
|
||||
ptdata.cdi[k].instance = i;
|
||||
if (strstr(ptdata.cdi[k].type, ctrl_cdev)) {
|
||||
ptdata.cdi[k].flag |= CDEV_FLAG_IN_CONTROL;
|
||||
syslog(LOG_DEBUG, "control cdev id %d\n", i);
|
||||
}
|
||||
while (n--)
|
||||
free(namelist[n]);
|
||||
free(namelist);
|
||||
}
|
||||
closedir(dir);
|
||||
k++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int probe_thermal_sysfs(void)
|
||||
{
|
||||
DIR *dir;
|
||||
struct dirent **namelist;
|
||||
int n;
|
||||
|
||||
dir = opendir(THERMAL_SYSFS);
|
||||
if (!dir) {
|
||||
fprintf(stderr, "\nNo thermal sysfs, exit\n");
|
||||
return -1;
|
||||
}
|
||||
n = scandir(THERMAL_SYSFS, &namelist, 0, alphasort);
|
||||
if (n < 0)
|
||||
syslog(LOG_ERR, "scandir failed in thermal sysfs");
|
||||
else {
|
||||
/* detect number of thermal zones and cooling devices */
|
||||
while (n--) {
|
||||
int inst;
|
||||
|
||||
if (strstr(namelist[n]->d_name, CDEV)) {
|
||||
inst = get_instance_id(namelist[n]->d_name, 1,
|
||||
sizeof("device") - 1);
|
||||
/* keep track of the max cooling device since
|
||||
* there may be gaps.
|
||||
*/
|
||||
if (inst > ptdata.max_cdev_instance)
|
||||
ptdata.max_cdev_instance = inst;
|
||||
|
||||
syslog(LOG_DEBUG, "found cdev: %s %d %d\n",
|
||||
namelist[n]->d_name,
|
||||
ptdata.nr_cooling_dev,
|
||||
ptdata.max_cdev_instance);
|
||||
ptdata.nr_cooling_dev++;
|
||||
} else if (strstr(namelist[n]->d_name, TZONE)) {
|
||||
inst = get_instance_id(namelist[n]->d_name, 1,
|
||||
sizeof("zone") - 1);
|
||||
if (inst > ptdata.max_tz_instance)
|
||||
ptdata.max_tz_instance = inst;
|
||||
|
||||
syslog(LOG_DEBUG, "found tzone: %s %d %d\n",
|
||||
namelist[n]->d_name,
|
||||
ptdata.nr_tz_sensor,
|
||||
ptdata.max_tz_instance);
|
||||
ptdata.nr_tz_sensor++;
|
||||
}
|
||||
free(namelist[n]);
|
||||
}
|
||||
free(namelist);
|
||||
}
|
||||
syslog(LOG_INFO, "found %d tzone(s), %d cdev(s), target zone %d\n",
|
||||
ptdata.nr_tz_sensor, ptdata.nr_cooling_dev,
|
||||
target_thermal_zone);
|
||||
closedir(dir);
|
||||
|
||||
if (!ptdata.nr_tz_sensor) {
|
||||
fprintf(stderr, "\nNo thermal zones found, exit\n\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
ptdata.tzi = calloc(sizeof(struct tz_info), ptdata.max_tz_instance+1);
|
||||
if (!ptdata.tzi) {
|
||||
fprintf(stderr, "Err: allocate tz_info\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* we still show thermal zone information if there is no cdev */
|
||||
if (ptdata.nr_cooling_dev) {
|
||||
ptdata.cdi = calloc(sizeof(struct cdev_info),
|
||||
ptdata.max_cdev_instance + 1);
|
||||
if (!ptdata.cdi) {
|
||||
free(ptdata.tzi);
|
||||
fprintf(stderr, "Err: allocate cdev_info\n");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* now probe tzones */
|
||||
if (scan_tzones())
|
||||
return -1;
|
||||
if (scan_cdevs())
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* convert sysfs zone instance to zone array index */
|
||||
int zone_instance_to_index(int zone_inst)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ptdata.nr_tz_sensor; i++)
|
||||
if (ptdata.tzi[i].instance == zone_inst)
|
||||
return i;
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
/* read temperature of all thermal zones */
|
||||
int update_thermal_data()
|
||||
{
|
||||
int i;
|
||||
char tz_name[256];
|
||||
static unsigned long samples;
|
||||
|
||||
if (!ptdata.nr_tz_sensor) {
|
||||
syslog(LOG_ERR, "No thermal zones found!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* circular buffer for keeping historic data */
|
||||
if (cur_thermal_record >= NR_THERMAL_RECORDS)
|
||||
cur_thermal_record = 0;
|
||||
gettimeofday(&trec[cur_thermal_record].tv, NULL);
|
||||
if (tmon_log) {
|
||||
fprintf(tmon_log, "%lu ", ++samples);
|
||||
fprintf(tmon_log, "%3.1f ", p_param.t_target);
|
||||
}
|
||||
for (i = 0; i < ptdata.nr_tz_sensor; i++) {
|
||||
memset(tz_name, 0, sizeof(tz_name));
|
||||
snprintf(tz_name, 256, "%s/%s%d", THERMAL_SYSFS, TZONE,
|
||||
ptdata.tzi[i].instance);
|
||||
sysfs_get_ulong(tz_name, "temp",
|
||||
&trec[cur_thermal_record].temp[i]);
|
||||
if (tmon_log)
|
||||
fprintf(tmon_log, "%lu ",
|
||||
trec[cur_thermal_record].temp[i]/1000);
|
||||
}
|
||||
for (i = 0; i < ptdata.nr_cooling_dev; i++) {
|
||||
char cdev_name[256];
|
||||
unsigned long val;
|
||||
|
||||
snprintf(cdev_name, 256, "%s/%s%d", THERMAL_SYSFS, CDEV,
|
||||
ptdata.cdi[i].instance);
|
||||
probe_cdev(&ptdata.cdi[i], cdev_name);
|
||||
val = ptdata.cdi[i].cur_state;
|
||||
if (val > 1000000)
|
||||
val = 0;
|
||||
if (tmon_log)
|
||||
fprintf(tmon_log, "%lu ", val);
|
||||
}
|
||||
|
||||
if (tmon_log) {
|
||||
fprintf(tmon_log, "\n");
|
||||
fflush(tmon_log);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void set_ctrl_state(unsigned long state)
|
||||
{
|
||||
char ctrl_cdev_path[256];
|
||||
int i;
|
||||
unsigned long cdev_state;
|
||||
|
||||
if (no_control)
|
||||
return;
|
||||
/* set all ctrl cdev to the same state */
|
||||
for (i = 0; i < ptdata.nr_cooling_dev; i++) {
|
||||
if (ptdata.cdi[i].flag & CDEV_FLAG_IN_CONTROL) {
|
||||
if (ptdata.cdi[i].max_state < 10) {
|
||||
strcpy(ctrl_cdev, "None.");
|
||||
return;
|
||||
}
|
||||
/* scale to percentage of max_state */
|
||||
cdev_state = state * ptdata.cdi[i].max_state/100;
|
||||
syslog(LOG_DEBUG,
|
||||
"ctrl cdev %d set state %lu scaled to %lu\n",
|
||||
ptdata.cdi[i].instance, state, cdev_state);
|
||||
snprintf(ctrl_cdev_path, 256, "%s/%s%d", THERMAL_SYSFS,
|
||||
CDEV, ptdata.cdi[i].instance);
|
||||
syslog(LOG_DEBUG, "ctrl cdev path %s", ctrl_cdev_path);
|
||||
sysfs_set_ulong(ctrl_cdev_path, "cur_state",
|
||||
cdev_state);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void get_ctrl_state(unsigned long *state)
|
||||
{
|
||||
char ctrl_cdev_path[256];
|
||||
int ctrl_cdev_id = -1;
|
||||
int i;
|
||||
|
||||
/* TODO: take average of all ctrl types. also consider change based on
|
||||
* uevent. Take the first reading for now.
|
||||
*/
|
||||
for (i = 0; i < ptdata.nr_cooling_dev; i++) {
|
||||
if (ptdata.cdi[i].flag & CDEV_FLAG_IN_CONTROL) {
|
||||
ctrl_cdev_id = ptdata.cdi[i].instance;
|
||||
syslog(LOG_INFO, "ctrl cdev %d get state\n",
|
||||
ptdata.cdi[i].instance);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (ctrl_cdev_id == -1) {
|
||||
*state = 0;
|
||||
return;
|
||||
}
|
||||
snprintf(ctrl_cdev_path, 256, "%s/%s%d", THERMAL_SYSFS,
|
||||
CDEV, ctrl_cdev_id);
|
||||
sysfs_get_ulong(ctrl_cdev_path, "cur_state", state);
|
||||
}
|
||||
|
||||
void free_thermal_data(void)
|
||||
{
|
||||
free(ptdata.tzi);
|
||||
free(ptdata.cdi);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue