linux_dsm_epyc7002/drivers/iio/humidity/hts221.h
Thomas Gleixner fda8d26e61 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177
Based on 1 normalized pattern(s):

  licensed under the gpl 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 135 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:19 -07:00

53 lines
986 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics hts221 sensor driver
*
* Copyright 2016 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi@st.com>
*/
#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 */