RME9652_opt_out
if (rme9652->control_register & RME9652_opt_out) {
return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
rme9652->control_register |= RME9652_opt_out;
rme9652->control_register &= ~RME9652_opt_out;