in supply/ab8500_chargalg.c [949:1269]
static int ab8500_chargalg_get_ext_psy_data(struct device *dev, void *data)
{
struct power_supply *psy;
struct power_supply *ext = dev_get_drvdata(dev);
const char **supplicants = (const char **)ext->supplied_to;
struct ab8500_chargalg *di;
union power_supply_propval ret;
int j;
bool capacity_updated = false;
psy = (struct power_supply *)data;
di = power_supply_get_drvdata(psy);
/* For all psy where the driver name appears in any supplied_to */
j = match_string(supplicants, ext->num_supplicants, psy->desc->name);
if (j < 0)
return 0;
/*
* If external is not registering 'POWER_SUPPLY_PROP_CAPACITY' to its
* property because of handling that sysfs entry on its own, this is
* the place to get the battery capacity.
*/
if (!power_supply_get_property(ext, POWER_SUPPLY_PROP_CAPACITY, &ret)) {
di->batt_data.percent = ret.intval;
capacity_updated = true;
}
/* Go through all properties for the psy */
for (j = 0; j < ext->desc->num_properties; j++) {
enum power_supply_property prop;
prop = ext->desc->properties[j];
/*
* Initialize chargers if not already done.
* The ab8500_charger*/
if (!di->ac_chg &&
ext->desc->type == POWER_SUPPLY_TYPE_MAINS)
di->ac_chg = psy_to_ux500_charger(ext);
else if (!di->usb_chg &&
ext->desc->type == POWER_SUPPLY_TYPE_USB)
di->usb_chg = psy_to_ux500_charger(ext);
if (power_supply_get_property(ext, prop, &ret))
continue;
switch (prop) {
case POWER_SUPPLY_PROP_PRESENT:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
/* Battery present */
if (ret.intval)
di->events.batt_rem = false;
/* Battery removed */
else
di->events.batt_rem = true;
break;
case POWER_SUPPLY_TYPE_MAINS:
/* AC disconnected */
if (!ret.intval &&
(di->chg_info.conn_chg & AC_CHG)) {
di->chg_info.prev_conn_chg =
di->chg_info.conn_chg;
di->chg_info.conn_chg &= ~AC_CHG;
}
/* AC connected */
else if (ret.intval &&
!(di->chg_info.conn_chg & AC_CHG)) {
di->chg_info.prev_conn_chg =
di->chg_info.conn_chg;
di->chg_info.conn_chg |= AC_CHG;
}
break;
case POWER_SUPPLY_TYPE_USB:
/* USB disconnected */
if (!ret.intval &&
(di->chg_info.conn_chg & USB_CHG)) {
di->chg_info.prev_conn_chg =
di->chg_info.conn_chg;
di->chg_info.conn_chg &= ~USB_CHG;
}
/* USB connected */
else if (ret.intval &&
!(di->chg_info.conn_chg & USB_CHG)) {
di->chg_info.prev_conn_chg =
di->chg_info.conn_chg;
di->chg_info.conn_chg |= USB_CHG;
}
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_ONLINE:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
break;
case POWER_SUPPLY_TYPE_MAINS:
/* AC offline */
if (!ret.intval &&
(di->chg_info.online_chg & AC_CHG)) {
di->chg_info.prev_online_chg =
di->chg_info.online_chg;
di->chg_info.online_chg &= ~AC_CHG;
}
/* AC online */
else if (ret.intval &&
!(di->chg_info.online_chg & AC_CHG)) {
di->chg_info.prev_online_chg =
di->chg_info.online_chg;
di->chg_info.online_chg |= AC_CHG;
queue_delayed_work(di->chargalg_wq,
&di->chargalg_wd_work, 0);
}
break;
case POWER_SUPPLY_TYPE_USB:
/* USB offline */
if (!ret.intval &&
(di->chg_info.online_chg & USB_CHG)) {
di->chg_info.prev_online_chg =
di->chg_info.online_chg;
di->chg_info.online_chg &= ~USB_CHG;
}
/* USB online */
else if (ret.intval &&
!(di->chg_info.online_chg & USB_CHG)) {
di->chg_info.prev_online_chg =
di->chg_info.online_chg;
di->chg_info.online_chg |= USB_CHG;
queue_delayed_work(di->chargalg_wq,
&di->chargalg_wd_work, 0);
}
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_HEALTH:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
break;
case POWER_SUPPLY_TYPE_MAINS:
switch (ret.intval) {
case POWER_SUPPLY_HEALTH_UNSPEC_FAILURE:
di->events.mainextchnotok = true;
di->events.main_thermal_prot = false;
di->events.main_ovv = false;
di->events.ac_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_DEAD:
di->events.ac_wd_expired = true;
di->events.mainextchnotok = false;
di->events.main_ovv = false;
di->events.main_thermal_prot = false;
break;
case POWER_SUPPLY_HEALTH_COLD:
case POWER_SUPPLY_HEALTH_OVERHEAT:
di->events.main_thermal_prot = true;
di->events.mainextchnotok = false;
di->events.main_ovv = false;
di->events.ac_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_OVERVOLTAGE:
di->events.main_ovv = true;
di->events.mainextchnotok = false;
di->events.main_thermal_prot = false;
di->events.ac_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_GOOD:
di->events.main_thermal_prot = false;
di->events.mainextchnotok = false;
di->events.main_ovv = false;
di->events.ac_wd_expired = false;
break;
default:
break;
}
break;
case POWER_SUPPLY_TYPE_USB:
switch (ret.intval) {
case POWER_SUPPLY_HEALTH_UNSPEC_FAILURE:
di->events.usbchargernotok = true;
di->events.usb_thermal_prot = false;
di->events.vbus_ovv = false;
di->events.usb_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_DEAD:
di->events.usb_wd_expired = true;
di->events.usbchargernotok = false;
di->events.usb_thermal_prot = false;
di->events.vbus_ovv = false;
break;
case POWER_SUPPLY_HEALTH_COLD:
case POWER_SUPPLY_HEALTH_OVERHEAT:
di->events.usb_thermal_prot = true;
di->events.usbchargernotok = false;
di->events.vbus_ovv = false;
di->events.usb_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_OVERVOLTAGE:
di->events.vbus_ovv = true;
di->events.usbchargernotok = false;
di->events.usb_thermal_prot = false;
di->events.usb_wd_expired = false;
break;
case POWER_SUPPLY_HEALTH_GOOD:
di->events.usbchargernotok = false;
di->events.usb_thermal_prot = false;
di->events.vbus_ovv = false;
di->events.usb_wd_expired = false;
break;
default:
break;
}
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
di->batt_data.volt_uv = ret.intval;
break;
case POWER_SUPPLY_TYPE_MAINS:
di->chg_info.ac_volt_uv = ret.intval;
break;
case POWER_SUPPLY_TYPE_USB:
di->chg_info.usb_volt_uv = ret.intval;
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_MAINS:
/* AVG is used to indicate when we are
* in CV mode */
if (ret.intval)
di->events.ac_cv_active = true;
else
di->events.ac_cv_active = false;
break;
case POWER_SUPPLY_TYPE_USB:
/* AVG is used to indicate when we are
* in CV mode */
if (ret.intval)
di->events.usb_cv_active = true;
else
di->events.usb_cv_active = false;
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
if (ret.intval)
di->events.batt_unknown = false;
else
di->events.batt_unknown = true;
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_TEMP:
di->batt_data.temp = ret.intval / 10;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_MAINS:
di->chg_info.ac_curr_ua = ret.intval;
break;
case POWER_SUPPLY_TYPE_USB:
di->chg_info.usb_curr_ua = ret.intval;
break;
case POWER_SUPPLY_TYPE_BATTERY:
di->batt_data.inst_curr_ua = ret.intval;
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_CURRENT_AVG:
switch (ext->desc->type) {
case POWER_SUPPLY_TYPE_BATTERY:
di->batt_data.avg_curr_ua = ret.intval;
break;
case POWER_SUPPLY_TYPE_USB:
if (ret.intval)
di->events.vbus_collapsed = true;
else
di->events.vbus_collapsed = false;
break;
default:
break;
}
break;
case POWER_SUPPLY_PROP_CAPACITY:
if (!capacity_updated)
di->batt_data.percent = ret.intval;
break;
default:
break;
}
}
return 0;
}