| /* |
| * STMicroelectronics hts221 sensor driver |
| * |
| * Copyright 2016 STMicroelectronics Inc. |
| * |
| * Lorenzo Bianconi <lorenzo.bianconi@st.com> |
| * |
| * Licensed under the GPL-2. |
| */ |
| |
| #ifndef HTS221_H |
| #define HTS221_H |
| |
| #define HTS221_DEV_NAME "hts221" |
| |
| #include <linux/iio/iio.h> |
| |
| #define HTS221_DATA_SIZE 2 |
| |
| enum hts221_sensor_type { |
| HTS221_SENSOR_H, |
| HTS221_SENSOR_T, |
| HTS221_SENSOR_MAX, |
| }; |
| |
| struct hts221_sensor { |
| u8 cur_avg_idx; |
| int slope, b_gen; |
| }; |
| |
| struct hts221_hw { |
| const char *name; |
| struct device *dev; |
| struct regmap *regmap; |
| |
| struct iio_trigger *trig; |
| int irq; |
| |
| struct hts221_sensor sensors[HTS221_SENSOR_MAX]; |
| |
| bool enabled; |
| u8 odr; |
| }; |
| |
| extern const struct dev_pm_ops hts221_pm_ops; |
| |
| int hts221_probe(struct device *dev, int irq, const char *name, |
| struct regmap *regmap); |
| int hts221_set_enable(struct hts221_hw *hw, bool enable); |
| int hts221_allocate_buffers(struct hts221_hw *hw); |
| int hts221_allocate_trigger(struct hts221_hw *hw); |
| |
| #endif /* HTS221_H */ |