THINKPAD_EC_MASK_FANSTATUS
val = (val_ec & THINKPAD_EC_MASK_FANSTATUS) == THINKPAD_EC_MASK_FANSTATUS;
(arg == 1) ? (val_ec | THINKPAD_EC_MASK_FANSTATUS) : (val_ec & (~THINKPAD_EC_MASK_FANSTATUS)), 1);