tpacpi_battery_get
ret = tpacpi_battery_get(what, battery, &v);
ret = tpacpi_battery_get(what, battery, &v);
if (tpacpi_battery_get(THRESHOLD_START, battery,
if (tpacpi_battery_get(THRESHOLD_STOP, battery,
if (tpacpi_battery_get(what, battery, &ret))
if (tpacpi_battery_get(FORCE_DISCHARGE, battery, &ret))
if (tpacpi_battery_get(INHIBIT_CHARGE, battery, &ret))