diff options
| author | Denis CIOCCA <denis.ciocca@st.com> | 2013-06-03 18:58:00 +0400 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-06-05 21:41:23 +0400 |
| commit | 217494e5b780ad85485c1bb6382ce50b5fa2dc26 (patch) | |
| tree | 26e9fd1c62477c099c05a3fbcdd265c287bc1ef8 /drivers/iio/pressure/st_pressure.h | |
| parent | 607a568ab69c5ac345a286267a27294888f8bb5f (diff) | |
| download | linux-217494e5b780ad85485c1bb6382ce50b5fa2dc26.tar.xz | |
iio:pressure: Add STMicroelectronics pressures driver
This patch adds a generic pressure driver for STMicroelectronics
pressure sensors, currently it supports: LPS331AP.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/pressure/st_pressure.h')
| -rw-r--r-- | drivers/iio/pressure/st_pressure.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h new file mode 100644 index 000000000000..414e45ac9b9b --- /dev/null +++ b/drivers/iio/pressure/st_pressure.h @@ -0,0 +1,39 @@ +/* + * STMicroelectronics pressures driver + * + * Copyright 2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@st.com> + * v. 1.0.0 + * Licensed under the GPL-2. + */ + +#ifndef ST_PRESS_H +#define ST_PRESS_H + +#include <linux/types.h> +#include <linux/iio/common/st_sensors.h> + +#define LPS331AP_PRESS_DEV_NAME "lps331ap" + +int st_press_common_probe(struct iio_dev *indio_dev); +void st_press_common_remove(struct iio_dev *indio_dev); + +#ifdef CONFIG_IIO_BUFFER +int st_press_allocate_ring(struct iio_dev *indio_dev); +void st_press_deallocate_ring(struct iio_dev *indio_dev); +int st_press_trig_set_state(struct iio_trigger *trig, bool state); +#define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state) +#else /* CONFIG_IIO_BUFFER */ +static inline int st_press_allocate_ring(struct iio_dev *indio_dev) +{ + return 0; +} + +static inline void st_press_deallocate_ring(struct iio_dev *indio_dev) +{ +} +#define ST_PRESS_TRIGGER_SET_STATE NULL +#endif /* CONFIG_IIO_BUFFER */ + +#endif /* ST_PRESS_H */ |