diff options
Diffstat (limited to 'drivers/iio/magnetometer/st_magn_spi.c')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_spi.c | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c index cb05fcd9ddfe..68816362bb95 100644 --- a/drivers/iio/magnetometer/st_magn_spi.c +++ b/drivers/iio/magnetometer/st_magn_spi.c @@ -1,16 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * STMicroelectronics magnetometers driver * * Copyright 2012-2013 STMicroelectronics Inc. * * Denis Ciocca <denis.ciocca@st.com> - * - * Licensed under the GPL-2. */ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/slab.h> +#include <linux/mod_devicetable.h> #include <linux/spi/spi.h> #include <linux/iio/iio.h> @@ -18,7 +17,6 @@ #include <linux/iio/common/st_sensors_spi.h> #include "st_magn.h" -#ifdef CONFIG_OF /* * For new single-chip sensors use <device_name> as compatible string. * For old single-chip devices keep <device_name>-magn to maintain @@ -43,42 +41,50 @@ static const struct of_device_id st_magn_of_match[] = { .compatible = "st,lsm9ds1-magn", .data = LSM9DS1_MAGN_DEV_NAME, }, - {} + { + .compatible = "st,iis2mdc", + .data = IIS2MDC_MAGN_DEV_NAME, + }, + { + .compatible = "st,lsm303c-magn", + .data = LSM303C_MAGN_DEV_NAME, + }, + { } }; MODULE_DEVICE_TABLE(of, st_magn_of_match); -#else -#define st_magn_of_match NULL -#endif static int st_magn_spi_probe(struct spi_device *spi) { - struct iio_dev *indio_dev; + const struct st_sensor_settings *settings; struct st_sensor_data *mdata; + struct iio_dev *indio_dev; int err; + st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias)); + + settings = st_magn_get_settings(spi->modalias); + if (!settings) { + dev_err(&spi->dev, "device name %s not recognized.\n", + spi->modalias); + return -ENODEV; + } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*mdata)); if (!indio_dev) return -ENOMEM; mdata = iio_priv(indio_dev); + mdata->sensor_settings = (struct st_sensor_settings *)settings; - st_sensors_of_name_probe(&spi->dev, st_magn_of_match, - spi->modalias, sizeof(spi->modalias)); - st_sensors_spi_configure(indio_dev, spi, mdata); - - err = st_magn_common_probe(indio_dev); + err = st_sensors_spi_configure(indio_dev, spi); if (err < 0) return err; - return 0; -} - -static int st_magn_spi_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - st_magn_common_remove(indio_dev); + err = st_sensors_power_enable(indio_dev); + if (err) + return err; - return 0; + return st_magn_common_probe(indio_dev); } static const struct spi_device_id st_magn_id_table[] = { @@ -86,17 +92,18 @@ static const struct spi_device_id st_magn_id_table[] = { { LSM303AGR_MAGN_DEV_NAME }, { LIS2MDL_MAGN_DEV_NAME }, { LSM9DS1_MAGN_DEV_NAME }, - {}, + { IIS2MDC_MAGN_DEV_NAME }, + { LSM303C_MAGN_DEV_NAME }, + { } }; MODULE_DEVICE_TABLE(spi, st_magn_id_table); static struct spi_driver st_magn_driver = { .driver = { .name = "st-magn-spi", - .of_match_table = of_match_ptr(st_magn_of_match), + .of_match_table = st_magn_of_match, }, .probe = st_magn_spi_probe, - .remove = st_magn_spi_remove, .id_table = st_magn_id_table, }; module_spi_driver(st_magn_driver); @@ -104,3 +111,4 @@ module_spi_driver(st_magn_driver); MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); MODULE_DESCRIPTION("STMicroelectronics magnetometers spi driver"); MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS("IIO_ST_SENSORS"); |