APM_AC_OFF
APM_AC_ON : APM_AC_OFF;
APM_AC_ON : APM_AC_OFF;
APM_AC_OFF;
APM_AC_ON : APM_AC_OFF);
pi->ac_state = APM_AC_OFF;
if (info->ac_state != APM_AC_OFF)
info->ac_state = APM_AC_OFF;
info->ac_state = APM_AC_OFF;
case APM_AC_OFF: