1 // SPDX-License-Identifier: GPL-2.0-only
3  * IIO driver for the MiraMEMS DA280 3-axis accelerometer and
4  * IIO driver for the MiraMEMS DA226 2-axis accelerometer
29  * a value of + or -4096 corresponds to + or - 1G
35 #define DA280_CHANNEL(reg, axis) {	\  argument
39 	.channel2 = IIO_MOD_##axis,	\
70 		ret = i2c_smbus_read_word_data(data->client, chan->address);  in da280_read_raw()
84 		return -EINVAL;  in da280_read_raw()
96 	id = acpi_match_device(dev->driver->acpi_match_table, dev);  in da280_match_acpi_device()
98 		return -EINVAL;  in da280_match_acpi_device()
100 	return (enum da280_chipset) id->driver_data;  in da280_match_acpi_device()
113 		return (ret < 0) ? ret : -ENODEV;  in da280_probe()
115 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));  in da280_probe()
117 		return -ENOMEM;  in da280_probe()
120 	data->client = client;  in da280_probe()
123 	indio_dev->info = &da280_info;  in da280_probe()
124 	indio_dev->modes = INDIO_DIRECT_MODE;  in da280_probe()
125 	indio_dev->channels = da280_channels;  in da280_probe()
127 	if (ACPI_HANDLE(&client->dev)) {  in da280_probe()
128 		chip = da280_match_acpi_device(&client->dev);  in da280_probe()
130 		chip = id->driver_data;  in da280_probe()
134 		indio_dev->name = "da226";  in da280_probe()
135 		indio_dev->num_channels = 2;  in da280_probe()
137 		indio_dev->name = "da280";  in da280_probe()
138 		indio_dev->num_channels = 3;  in da280_probe()
147 		dev_err(&client->dev, "device_register failed\n");  in da280_probe()
204 MODULE_DESCRIPTION("MiraMEMS DA280 3-Axis Accelerometer driver");