1 /* 2 * STMicroelectronics pressures driver 3 * 4 * Copyright 2013 STMicroelectronics Inc. 5 * 6 * Denis Ciocca <denis.ciocca@st.com> 7 * v. 1.0.0 8 * Licensed under the GPL-2. 9 */ 10 11 #ifndef ST_PRESS_H 12 #define ST_PRESS_H 13 14 #include <linux/types.h> 15 #include <linux/iio/common/st_sensors.h> 16 17 #define LPS001WP_PRESS_DEV_NAME "lps001wp" 18 #define LPS25H_PRESS_DEV_NAME "lps25h" 19 #define LPS331AP_PRESS_DEV_NAME "lps331ap" 20 21 /** 22 * struct st_sensors_platform_data - default press platform data 23 * @drdy_int_pin: default press DRDY is available on INT1 pin. 24 */ 25 static const struct st_sensors_platform_data default_press_pdata = { 26 .drdy_int_pin = 1, 27 }; 28 29 int st_press_common_probe(struct iio_dev *indio_dev); 30 void st_press_common_remove(struct iio_dev *indio_dev); 31 32 #ifdef CONFIG_IIO_BUFFER 33 int st_press_allocate_ring(struct iio_dev *indio_dev); 34 void st_press_deallocate_ring(struct iio_dev *indio_dev); 35 int st_press_trig_set_state(struct iio_trigger *trig, bool state); 36 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state) 37 #else /* CONFIG_IIO_BUFFER */ 38 static inline int st_press_allocate_ring(struct iio_dev *indio_dev) 39 { 40 return 0; 41 } 42 43 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev) 44 { 45 } 46 #define ST_PRESS_TRIGGER_SET_STATE NULL 47 #endif /* CONFIG_IIO_BUFFER */ 48 49 #endif /* ST_PRESS_H */ 50