battery_stat
struct battery_stat battstat;
int battery_stat;
drvdata->battery_stat = val;
val->intval = drvdata->battery_stat;
drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
u32 battery_stat = CM_NO_BATTERY;
of_property_read_u32(np, "cm-battery-stat", &battery_stat);
desc->battery_present = battery_stat;