void usb_init_device(void)
{
char functions[32] = {0};
/* Check if ADB was activated in bootloader */
sysfs_get_string("/sys/class/android_usb/android0/functions", functions, sizeof(functions));
adb_mode = (strstr(functions, "adb") == NULL) ? false : true;
usb_enable(false);
if (adb_mode)
{
sysfs_set_string("/sys/class/android_usb/android0/functions", "mass_storage,adb");
sysfs_set_string("/sys/class/android_usb/android0/idVendor", "18D1");
sysfs_set_string("/sys/class/android_usb/android0/idProduct", "D002");
}
else
{
sysfs_set_string("/sys/class/android_usb/android0/functions", "mass_storage");
sysfs_set_string("/sys/class/android_usb/android0/idVendor", "C502");
sysfs_set_string("/sys/class/android_usb/android0/idProduct", "0029");
}
sysfs_set_string("/sys/class/android_usb/android0/iManufacturer", "Rockbox.org");
sysfs_set_string("/sys/class/android_usb/android0/iProduct", "Rockbox media player");
sysfs_set_string("/sys/class/android_usb/android0/iSerial", "0123456789ABCDEF");
sysfs_set_string("/sys/class/android_usb/android0/f_mass_storage/inquiry_string", "Agptek Rocker 0100");
}
static int
sysfs_get_value(struct pci_dev *d, char *object)
{
char buf[OBJBUFSIZE];
sysfs_get_string(d, object, buf, 1);
return strtol(buf, NULL, 0);
}
/*****************************************************************************
* 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
sysfs_get_value(struct pci_dev *d, char *object, int mandatory)
{
char buf[OBJBUFSIZE];
if (sysfs_get_string(d, object, buf, mandatory))
return strtol(buf, NULL, 0);
else
return -1;
}
/* 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 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;
}
/* 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;
}