127 	struct ad5764_state *st = iio_priv(indio_dev);  in ad5764_write()  local
131 	st->data[0].d32 = cpu_to_be32((reg << 16) | val);  in ad5764_write()
133 	ret = spi_write(st->spi, &st->data[0].d8[1], 3);  in ad5764_write()
142 	struct ad5764_state *st = iio_priv(indio_dev);  in ad5764_read()  local
146 			.tx_buf = &st->data[0].d8[1],  in ad5764_read()
150 			.rx_buf = &st->data[1].d8[1],  in ad5764_read()
157 	st->data[0].d32 = cpu_to_be32((1 << 23) | (reg << 16));  in ad5764_read()
159 	ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));  in ad5764_read()
161 		*val = be32_to_cpu(st->data[1].d32) & 0xffff;  in ad5764_read()
212 static int ad5764_get_channel_vref(struct ad5764_state *st,  in ad5764_get_channel_vref()  argument
215 	if (st->chip_info->int_vref)  in ad5764_get_channel_vref()
216 		return st->chip_info->int_vref;  in ad5764_get_channel_vref()
218 		return regulator_get_voltage(st->vref_reg[channel / 2].consumer);  in ad5764_get_channel_vref()
224 	struct ad5764_state *st = iio_priv(indio_dev);  in ad5764_read_raw()  local
253 		vref = ad5764_get_channel_vref(st, chan->channel);  in ad5764_read_raw()
278 	struct ad5764_state *st;  in ad5764_probe()  local
281 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad5764_probe()
287 	st = iio_priv(indio_dev);  in ad5764_probe()
290 	st->spi = spi;  in ad5764_probe()
291 	st->chip_info = &ad5764_chip_infos[type];  in ad5764_probe()
298 	indio_dev->channels = st->chip_info->channels;  in ad5764_probe()
300 	if (st->chip_info->int_vref == 0) {  in ad5764_probe()
301 		st->vref_reg[0].supply = "vrefAB";  in ad5764_probe()
302 		st->vref_reg[1].supply = "vrefCD";  in ad5764_probe()
304 		ret = devm_regulator_bulk_get(&st->spi->dev,  in ad5764_probe()
305 			ARRAY_SIZE(st->vref_reg), st->vref_reg);  in ad5764_probe()
312 		ret = regulator_bulk_enable(ARRAY_SIZE(st->vref_reg),  in ad5764_probe()
313 			st->vref_reg);  in ad5764_probe()
330 	if (st->chip_info->int_vref == 0)  in ad5764_probe()
331 		regulator_bulk_disable(ARRAY_SIZE(st->vref_reg), st->vref_reg);  in ad5764_probe()
338 	struct ad5764_state *st = iio_priv(indio_dev);  in ad5764_remove()  local
342 	if (st->chip_info->int_vref == 0)  in ad5764_remove()
343 		regulator_bulk_disable(ARRAY_SIZE(st->vref_reg), st->vref_reg);  in ad5764_remove()