CHAN_ENA
if (!(reg & CHAN_ENA)) {
use_thermistors = use_thermistors || (reg & CHAN_ENA);
if (!(reg & CHAN_ENA)) {
if (reg & CHAN_ENA) {
if (!(reg & CHAN_ENA)) {
if (reg & CHAN_ENA) {
if (reg & CHAN_ENA) {
if (data->in_status[i] & CHAN_ENA) {
if (data->temp_status[i] & CHAN_ENA) {
#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */