378 				 const struct adc_channel_cfg *channel_cfg)  in ads1x1x_channel_setup()  argument
385 	if (channel_cfg->channel_id != 0) {  in ads1x1x_channel_setup()
386 		LOG_ERR("unsupported channel id '%d'", channel_cfg->channel_id);  in ads1x1x_channel_setup()
390 	if (channel_cfg->reference != ADC_REF_INTERNAL) {  in ads1x1x_channel_setup()
391 		LOG_ERR("unsupported channel reference type '%d'", channel_cfg->reference);  in ads1x1x_channel_setup()
397 		if (channel_cfg->differential) {  in ads1x1x_channel_setup()
398 			if (channel_cfg->input_positive == 0 && channel_cfg->input_negative == 1) {  in ads1x1x_channel_setup()
400 			} else if (channel_cfg->input_positive == 0 &&  in ads1x1x_channel_setup()
401 				   channel_cfg->input_negative == 3) {  in ads1x1x_channel_setup()
403 			} else if (channel_cfg->input_positive == 1 &&  in ads1x1x_channel_setup()
404 				   channel_cfg->input_negative == 3) {  in ads1x1x_channel_setup()
406 			} else if (channel_cfg->input_positive == 2 &&  in ads1x1x_channel_setup()
407 				   channel_cfg->input_negative == 3) {  in ads1x1x_channel_setup()
411 					channel_cfg->input_positive, channel_cfg->input_negative);  in ads1x1x_channel_setup()
415 			if (channel_cfg->input_positive == 0) {  in ads1x1x_channel_setup()
417 			} else if (channel_cfg->input_positive == 1) {  in ads1x1x_channel_setup()
419 			} else if (channel_cfg->input_positive == 2) {  in ads1x1x_channel_setup()
421 			} else if (channel_cfg->input_positive == 3) {  in ads1x1x_channel_setup()
425 					channel_cfg->input_positive);  in ads1x1x_channel_setup()
431 		if (!((channel_cfg->differential) &&  in ads1x1x_channel_setup()
432 		      (channel_cfg->input_positive == 0 && channel_cfg->input_negative == 1))) {  in ads1x1x_channel_setup()
434 				channel_cfg->input_positive, channel_cfg->input_negative);  in ads1x1x_channel_setup()
439 	data->differential = channel_cfg->differential;  in ads1x1x_channel_setup()
441 	dr = ads1x1x_acq_time_to_dr(dev, channel_cfg->acquisition_time);  in ads1x1x_channel_setup()
444 			channel_cfg->acquisition_time);  in ads1x1x_channel_setup()
452 		switch (channel_cfg->gain) {  in ads1x1x_channel_setup()
472 			LOG_ERR("unsupported channel gain '%d'", channel_cfg->gain);  in ads1x1x_channel_setup()
477 		if (channel_cfg->gain != ADC_GAIN_1) {  in ads1x1x_channel_setup()
478 			LOG_ERR("unsupported channel gain '%d'", channel_cfg->gain);  in ads1x1x_channel_setup()