diff options
| author | Denis Ciocca | 2013-01-25 23:44:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron | 2013-01-31 17:56:43 +0000 |
| commit | 872e79add7561645b130fba63aa7ca12098a9361 (patch) | |
| tree | 96ecdf425cfc12b4050e7e569cdbb4bcc5bf6715 /drivers/iio/magnetometer/st_magn.h | |
| parent | 7be56a8f57b57cca1651fb97886e20246c168e25 (diff) | |
iio:magnetometer: Add STMicroelectronics magnetometers driver
This patch adds a generic magnetometer driver for STMicroelectronics
magnetometers, currently it supports:
LSM303DLHC, LSM303DLM, LIS3MDL.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/magnetometer/st_magn.h')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h new file mode 100644 index 000000000000..7e81d00ef0c3 --- /dev/null +++ b/drivers/iio/magnetometer/st_magn.h @@ -0,0 +1,45 @@ +/* + * STMicroelectronics magnetometers driver + * + * Copyright 2012-2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@st.com> + * v. 1.0.0 + * Licensed under the GPL-2. + */ + +#ifndef ST_MAGN_H +#define ST_MAGN_H + +#include <linux/types.h> +#include <linux/iio/common/st_sensors.h> + +#define LSM303DLHC_MAGN_DEV_NAME "lsm303dlhc_magn" +#define LSM303DLM_MAGN_DEV_NAME "lsm303dlm_magn" +#define LIS3MDL_MAGN_DEV_NAME "lis3mdl" + +int st_magn_common_probe(struct iio_dev *indio_dev); +void st_magn_common_remove(struct iio_dev *indio_dev); + +#ifdef CONFIG_IIO_BUFFER +int st_magn_allocate_ring(struct iio_dev *indio_dev); +void st_magn_deallocate_ring(struct iio_dev *indio_dev); +#else /* CONFIG_IIO_BUFFER */ +static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq) +{ + return 0; +} +static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq) +{ + return; +} +static inline int st_magn_allocate_ring(struct iio_dev *indio_dev) +{ + return 0; +} +static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev) +{ +} +#endif /* CONFIG_IIO_BUFFER */ + +#endif /* ST_MAGN_H */ |