iio/accel/adis16201.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer
28 /* Calibration Register Definition */
38 /* Alarm Register Definition */
52 /* Miscellaneous Control Register Definition */
55 /* Data-ready enable: 1 = enabled, 0 = disabled */
57 /* Data-ready polarity: 1 = active high, 0 = active low */
59 /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
62 /* Diagnostics System Status Register Definition */
73 /* System Command Register Definition */
113 		switch (chan->type) {  in adis16201_read_raw()
115 			if (chan->channel == 0) {  in adis16201_read_raw()
126 			*val = -470;  in adis16201_read_raw()
143 			return -EINVAL;  in adis16201_read_raw()
150 		 * degree celcius is -470.  in adis16201_read_raw()
152 		*val = 25000 / -470 - 1278;  in adis16201_read_raw()
155 		switch (chan->type) {  in adis16201_read_raw()
163 			return -EINVAL;  in adis16201_read_raw()
165 		addr = adis16201_addresses[chan->scan_index];  in adis16201_read_raw()
170 		*val = sign_extend32(val16, bits - 1);  in adis16201_read_raw()
174 	return -EINVAL;  in adis16201_read_raw()
187 		return -EINVAL;  in adis16201_write_raw()
189 	switch (chan->type) {  in adis16201_write_raw()
197 		return -EINVAL;  in adis16201_write_raw()
200 	return adis_write_reg_16(st, adis16201_addresses[chan->scan_index],  in adis16201_write_raw()
263 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in adis16201_probe()
265 		return -ENOMEM;  in adis16201_probe()
269 	indio_dev->name = spi->dev.driver->name;  in adis16201_probe()
270 	indio_dev->info = &adis16201_info;  in adis16201_probe()
272 	indio_dev->channels = adis16201_channels;  in adis16201_probe()
273 	indio_dev->num_channels = ARRAY_SIZE(adis16201_channels);  in adis16201_probe()
274 	indio_dev->modes = INDIO_DIRECT_MODE;  in adis16201_probe()
288 	return devm_iio_device_register(&spi->dev, indio_dev);  in adis16201_probe()
300 MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer");