67 				 const struct adc_channel_cfg *channel_cfg)  in adc_sam_channel_setup()  argument
72 	uint8_t channel_id = channel_cfg->channel_id;  in adc_sam_channel_setup()
74 	if (channel_cfg->differential) {  in adc_sam_channel_setup()
75 		if (channel_id != (channel_cfg->input_positive / 2U)  in adc_sam_channel_setup()
76 		    || channel_id != (channel_cfg->input_negative / 2U)) {  in adc_sam_channel_setup()
81 		if (channel_id != channel_cfg->input_positive) {  in adc_sam_channel_setup()
87 	if (channel_cfg->acquisition_time != ADC_ACQ_TIME_DEFAULT) {  in adc_sam_channel_setup()
92 	if (channel_cfg->reference != ADC_REF_EXTERNAL0) {  in adc_sam_channel_setup()
93 		LOG_ERR("Invalid ADC channel reference (%d)", channel_cfg->reference);  in adc_sam_channel_setup()
98 	if (channel_cfg->channel_id == SAM_ADC_TEMP_CHANNEL) {  in adc_sam_channel_setup()
103 	if (channel_cfg->differential) {  in adc_sam_channel_setup()
112 	switch (channel_cfg->gain) {  in adc_sam_channel_setup()
114 		if (!channel_cfg->differential) {  in adc_sam_channel_setup()
127 		if (channel_cfg->differential) {  in adc_sam_channel_setup()
134 		LOG_ERR("Invalid ADC channel gain (%d)", channel_cfg->gain);  in adc_sam_channel_setup()