82 	struct iio_backend **backend;  member
678 	struct iio_backend *backend;  in stm32_dfsdm_generic_channel_parse_of()  local
729 		backend = devm_iio_backend_fwnode_get(&indio_dev->dev, NULL, node);  in stm32_dfsdm_generic_channel_parse_of()
730 		if (IS_ERR(backend))  in stm32_dfsdm_generic_channel_parse_of()
731 			return dev_err_probe(&indio_dev->dev, PTR_ERR(backend),  in stm32_dfsdm_generic_channel_parse_of()
733 		adc->backend[ch->scan_index] = backend;  in stm32_dfsdm_generic_channel_parse_of()
1083 	if (adc->backend) {  in stm32_dfsdm_postenable()
1084 		while (adc->backend[i]) {  in stm32_dfsdm_postenable()
1085 			ret = iio_backend_enable(adc->backend[i]);  in stm32_dfsdm_postenable()
1132 	if (adc->backend) {  in stm32_dfsdm_predisable()
1133 		while (adc->backend[i]) {  in stm32_dfsdm_predisable()
1134 			iio_backend_disable(adc->backend[i]);  in stm32_dfsdm_predisable()
1328 		if (adc->backend)  in stm32_dfsdm_read_raw()
1329 			ret = iio_backend_enable(adc->backend[idx]);  in stm32_dfsdm_read_raw()
1340 		if (adc->backend)  in stm32_dfsdm_read_raw()
1341 			iio_backend_disable(adc->backend[idx]);  in stm32_dfsdm_read_raw()
1371 		if (adc->backend) {  in stm32_dfsdm_read_raw()
1372 			ret = iio_backend_read_scale(adc->backend[idx], chan, val, NULL);  in stm32_dfsdm_read_raw()
1395 		if (adc->backend) {  in stm32_dfsdm_read_raw()
1396 			ret = iio_backend_read_offset(adc->backend[idx], chan, val, NULL);  in stm32_dfsdm_read_raw()
1672 		adc->backend = devm_kcalloc(&indio_dev->dev, num_ch, sizeof(*adc->backend),  in stm32_dfsdm_adc_init()
1674 		if (!adc->backend)  in stm32_dfsdm_adc_init()