LOK_NUM
set_bit(LOK_NUM, &board->status);
clear_bit(LOK_NUM, &board->status);
set_bit(LOK_NUM, &board->status);
clear_bit(LOK_NUM, &board->status);
set_bit(LOK_NUM, &board->status);
clear_bit(LOK_NUM, &board->status);
LOK = (1 << LOK_NUM), /* lockout state */