117 	struct iio_backend		*back;  member
396 			ret = iio_backend_chan_enable(st->back, c);  in ad9467_update_scan_mode()
398 			ret = iio_backend_chan_disable(st->back, c);  in ad9467_update_scan_mode()
460 		ret = iio_backend_data_format_set(st->back, c, &data);  in ad9467_setup()
488 	st->back = devm_iio_backend_get(dev, NULL);  in ad9467_iio_backend_get()
489 	if (!IS_ERR(st->back))  in ad9467_iio_backend_get()
492 	if (PTR_ERR(st->back) != -ENOENT)  in ad9467_iio_backend_get()
493 		return PTR_ERR(st->back);  in ad9467_iio_backend_get()
515 		st->back = __devm_iio_backend_get_from_fwnode_lookup(dev,  in ad9467_iio_backend_get()
518 		return PTR_ERR_OR_ZERO(st->back);  in ad9467_iio_backend_get()
575 	ret = devm_iio_backend_request_buffer(&spi->dev, st->back, indio_dev);  in ad9467_probe()
579 	ret = devm_iio_backend_enable(&spi->dev, st->back);  in ad9467_probe()