gpreg_read
return GPIO012_PIN_IN_SEL(gpreg_read(group, group->gpio_grp->inp_state),
int state = gpreg_read(group, group->gpio_grp->inp_state);
return GPI3_PIN_IN_SEL(gpreg_read(group, group->gpio_grp->inp_state), pin);
return GPO3_PIN_IN_SEL(gpreg_read(group, group->gpio_grp->outp_state), pin);