EEPROM_CHANNEL_VALID
if (eeprom_ch->flags & EEPROM_CHANNEL_VALID)
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
if (eeprom_ch->flags & EEPROM_CHANNEL_VALID)
if (!(eeprom_ch->flags & EEPROM_CHANNEL_VALID)) {