static enum manta_charge_source
detect_charge_source(enum charge_connector conn, bool online,
bool force_dock_redetect, bool usbin_redetect)
{
enum manta_charge_source charge_source;
int ret;
manta_bat_dock = false;
if (!online) {
if (conn == CHARGE_CONNECTOR_POGO)
manta_pogo_set_vbus(online, NULL);
return MANTA_CHARGE_SOURCE_NONE;
}
charge_source = force_dock_redetect ?
MANTA_CHARGE_SOURCE_USB :
check_samsung_charger(conn, usbin_redetect);
if (conn == CHARGE_CONNECTOR_POGO &&
charge_source == MANTA_CHARGE_SOURCE_USB) {
ret = manta_pogo_set_vbus(online, &charge_source);
manta_bat_dock = ret >= 0;
}
return charge_source;
}
static int sec_bat_charging_control(struct chg_data *chg)
{
static enum cable_type_t prev_cable_status = CABLE_TYPE_NONE;
static bool prev_charging = false;
int ret;
if(chg->cable_status != prev_cable_status || chg->charging != prev_charging)
{
/* disable max8998 charer */
if(chg->pdata->pmic_charger && chg->pdata->pmic_charger->charging_control) {
ret = chg->pdata->pmic_charger->charging_control(0, chg->cable_status);
if (ret < 0)
goto err;
}
if (!chg->charging) {
/* disable charging */
gpio_set_value(GPIO_TA_EN, 1); // External charger disable
} else {
/* enable charging */
if(chg->pdata->external_charger && chg->pdata->external_charger->charging_control)
{
if ((chg->cable_status == CABLE_TYPE_AC) && !check_samsung_charger()) {
chg->pdata->external_charger->charging_control(1, CABLE_TYPE_IMPROPER_AC); // Improper charger
chg->bat_info.batt_improper_ta = true; // Improper charger
}
else {
chg->pdata->external_charger->charging_control(1, chg->cable_status); // TA or USB cable
}
}
gpio_set_value(GPIO_TA_EN, 0); // External charger enable
// Stop low battery compensation algorithm
if(chg->pdata && chg->pdata->fuelgauge_cb)
chg->pdata->fuelgauge_cb(REQ_LOW_BATTERY_COMPENSATION, 0, 0);
}
/* update previous status values */
prev_cable_status = chg->cable_status;
prev_charging = chg->charging;
}
else
{
// do nothing... status is same as previous one.
}
return 0;
err:
pr_err("max8998_read_reg error\n");
return ret;
}
