FE_LED0
np->features |= FE_LED0;
if (np->features & FE_LED0) {
if (np->features & FE_LED0) {
if (!(np->features & FE_LED0)) {
if (!(np->features & FE_LED0)) {
if (np->features & FE_LED0)
np->features |= FE_LED0;