93 	struct adxrs450_state *st = iio_priv(indio_dev);  in adxrs450_spi_read_reg_16()  local
98 			.tx_buf = &st->tx,  in adxrs450_spi_read_reg_16()
100 			.len = sizeof(st->tx),  in adxrs450_spi_read_reg_16()
103 			.rx_buf = &st->rx,  in adxrs450_spi_read_reg_16()
105 			.len = sizeof(st->rx),  in adxrs450_spi_read_reg_16()
109 	mutex_lock(&st->buf_lock);  in adxrs450_spi_read_reg_16()
115 	st->tx = cpu_to_be32(tx);  in adxrs450_spi_read_reg_16()
116 	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));  in adxrs450_spi_read_reg_16()
118 		dev_err(&st->us->dev, "problem while reading 16 bit register 0x%02x\n",  in adxrs450_spi_read_reg_16()
123 	*val = (be32_to_cpu(st->rx) >> 5) & 0xFFFF;  in adxrs450_spi_read_reg_16()
126 	mutex_unlock(&st->buf_lock);  in adxrs450_spi_read_reg_16()
141 	struct adxrs450_state *st = iio_priv(indio_dev);  in adxrs450_spi_write_reg_16()  local
145 	mutex_lock(&st->buf_lock);  in adxrs450_spi_write_reg_16()
151 	st->tx = cpu_to_be32(tx);  in adxrs450_spi_write_reg_16()
152 	ret = spi_write(st->us, &st->tx, sizeof(st->tx));  in adxrs450_spi_write_reg_16()
154 		dev_err(&st->us->dev, "problem while writing 16 bit register 0x%02x\n",  in adxrs450_spi_write_reg_16()
157 	mutex_unlock(&st->buf_lock);  in adxrs450_spi_write_reg_16()
168 	struct adxrs450_state *st = iio_priv(indio_dev);  in adxrs450_spi_sensor_data()  local
172 			.tx_buf = &st->tx,  in adxrs450_spi_sensor_data()
174 			.len = sizeof(st->tx),  in adxrs450_spi_sensor_data()
177 			.rx_buf = &st->rx,  in adxrs450_spi_sensor_data()
179 			.len = sizeof(st->rx),  in adxrs450_spi_sensor_data()
183 	mutex_lock(&st->buf_lock);  in adxrs450_spi_sensor_data()
184 	st->tx = cpu_to_be32(ADXRS450_SENSOR_DATA);  in adxrs450_spi_sensor_data()
186 	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));  in adxrs450_spi_sensor_data()
188 		dev_err(&st->us->dev, "Problem while reading sensor data\n");  in adxrs450_spi_sensor_data()
192 	*val = (be32_to_cpu(st->rx) >> 10) & 0xFFFF;  in adxrs450_spi_sensor_data()
195 	mutex_unlock(&st->buf_lock);  in adxrs450_spi_sensor_data()
205 static int adxrs450_spi_initial(struct adxrs450_state *st,  in adxrs450_spi_initial()  argument
211 		.tx_buf = &st->tx,  in adxrs450_spi_initial()
212 		.rx_buf = &st->rx,  in adxrs450_spi_initial()
214 		.len = sizeof(st->tx),  in adxrs450_spi_initial()
217 	mutex_lock(&st->buf_lock);  in adxrs450_spi_initial()
221 	st->tx = cpu_to_be32(tx);  in adxrs450_spi_initial()
222 	ret = spi_sync_transfer(st->us, &xfers, 1);  in adxrs450_spi_initial()
224 		dev_err(&st->us->dev, "Problem while reading initializing data\n");  in adxrs450_spi_initial()
228 	*val = be32_to_cpu(st->rx);  in adxrs450_spi_initial()
231 	mutex_unlock(&st->buf_lock);  in adxrs450_spi_initial()
241 	struct adxrs450_state *st = iio_priv(indio_dev);  in adxrs450_initial_setup()  local
244 	ret = adxrs450_spi_initial(st, &t, 1);  in adxrs450_initial_setup()
248 		dev_warn(&st->us->dev, "The initial power on response is not correct! Restart without reset?\n");  in adxrs450_initial_setup()
251 	ret = adxrs450_spi_initial(st, &t, 0);  in adxrs450_initial_setup()
256 	ret = adxrs450_spi_initial(st, &t, 0);  in adxrs450_initial_setup()
260 		dev_err(&st->us->dev, "The second response is not correct!\n");  in adxrs450_initial_setup()
264 	ret = adxrs450_spi_initial(st, &t, 0);  in adxrs450_initial_setup()
268 		dev_err(&st->us->dev, "The third response is not correct!\n");  in adxrs450_initial_setup()
276 		dev_err(&st->us->dev, "The device is not in normal status!\n");  in adxrs450_initial_setup()
416 	struct adxrs450_state *st;  in adxrs450_probe()  local
420 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in adxrs450_probe()
423 	st = iio_priv(indio_dev);  in adxrs450_probe()
424 	st->us = spi;  in adxrs450_probe()
425 	mutex_init(&st->buf_lock);  in adxrs450_probe()