313 				  bool *bipolar, bool *differential)  in ad7606_get_chan_config()  argument
321 	*bipolar = false;  in ad7606_get_chan_config()
340 		*bipolar = fwnode_property_read_bool(child, "bipolar");  in ad7606_get_chan_config()
353 		if (*differential && !*bipolar) {  in ad7606_get_chan_config()
355 				"'bipolar' must be added for diff channel %d\n",  in ad7606_get_chan_config()
379 	bool bipolar, differential;  in ad7606c_18bit_chan_scale_setup()  local
389 	ret = ad7606_get_chan_config(indio_dev, chan->scan_index, &bipolar,  in ad7606c_18bit_chan_scale_setup()
398 		/* Bipolar differential ranges start at 8 (b1000) */  in ad7606c_18bit_chan_scale_setup()
409 	if (bipolar) {  in ad7606c_18bit_chan_scale_setup()
413 		/* Bipolar single-ended ranges start at 0 (b0000) */  in ad7606c_18bit_chan_scale_setup()
437 	bool bipolar, differential;  in ad7606c_16bit_chan_scale_setup()  local
447 	ret = ad7606_get_chan_config(indio_dev, chan->scan_index, &bipolar,  in ad7606c_16bit_chan_scale_setup()
456 		/* Bipolar differential ranges start at 8 (b1000) */  in ad7606c_16bit_chan_scale_setup()
468 	if (bipolar) {  in ad7606c_16bit_chan_scale_setup()
472 		/* Bipolar single-ended ranges start at 0 (b0000) */  in ad7606c_16bit_chan_scale_setup()