88 	struct ad5449 *st = iio_priv(indio_dev);  in ad5449_write()  local
92 	st->data[0] = cpu_to_be16((addr << 12) | val);  in ad5449_write()
93 	ret = spi_write(st->spi, st->data, 2);  in ad5449_write()
102 	struct ad5449 *st = iio_priv(indio_dev);  in ad5449_read()  local
106 			.tx_buf = &st->data[0],  in ad5449_read()
110 			.tx_buf = &st->data[1],  in ad5449_read()
111 			.rx_buf = &st->data[1],  in ad5449_read()
117 	st->data[0] = cpu_to_be16(addr << 12);  in ad5449_read()
118 	st->data[1] = cpu_to_be16(AD5449_CMD_NOOP);  in ad5449_read()
120 	ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));  in ad5449_read()
124 	*val = be16_to_cpu(st->data[1]);  in ad5449_read()
134 	struct ad5449 *st = iio_priv(indio_dev);  in ad5449_read_raw()  local
141 		if (st->has_sdo) {  in ad5449_read_raw()
148 			*val = st->dac_cache[chan->address];  in ad5449_read_raw()
153 		reg = &st->vref_reg[chan->channel];  in ad5449_read_raw()
172 	struct ad5449 *st = iio_priv(indio_dev);  in ad5449_write_raw()  local
184 			st->dac_cache[chan->address] = val;  in ad5449_write_raw()
258 static const char *ad5449_vref_name(struct ad5449 *st, int n)  in ad5449_vref_name()  argument
260 	if (st->chip_info->num_channels == 1)  in ad5449_vref_name()
274 	struct ad5449 *st;  in ad5449_spi_probe()  local
278 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad5449_spi_probe()
282 	st = iio_priv(indio_dev);  in ad5449_spi_probe()
285 	st->chip_info = &ad5449_chip_info[id->driver_data];  in ad5449_spi_probe()
286 	st->spi = spi;  in ad5449_spi_probe()
288 	for (i = 0; i < st->chip_info->num_channels; ++i)  in ad5449_spi_probe()
289 		st->vref_reg[i].supply = ad5449_vref_name(st, i);  in ad5449_spi_probe()
291 	ret = devm_regulator_bulk_get(&spi->dev, st->chip_info->num_channels,  in ad5449_spi_probe()
292 				st->vref_reg);  in ad5449_spi_probe()
296 	ret = regulator_bulk_enable(st->chip_info->num_channels, st->vref_reg);  in ad5449_spi_probe()
304 	indio_dev->channels = st->chip_info->channels;  in ad5449_spi_probe()
305 	indio_dev->num_channels = st->chip_info->num_channels;  in ad5449_spi_probe()
307 	if (st->chip_info->has_ctrl) {  in ad5449_spi_probe()
313 			st->has_sdo = pdata->sdo_mode != AD5449_SDO_DISABLED;  in ad5449_spi_probe()
315 			st->has_sdo = true;  in ad5449_spi_probe()
327 	regulator_bulk_disable(st->chip_info->num_channels, st->vref_reg);  in ad5449_spi_probe()
335 	struct ad5449 *st = iio_priv(indio_dev);  in ad5449_spi_remove()  local
339 	regulator_bulk_disable(st->chip_info->num_channels, st->vref_reg);  in ad5449_spi_remove()