linux/drivers/iio/humidity/hts221_buffer.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * STMicroelectronics hts221 sensor driver
 *
 * Copyright 2016 STMicroelectronics Inc.
 *
 * Lorenzo Bianconi <[email protected]>
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/irqreturn.h>
#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/bitfield.h>

#include <linux/iio/iio.h>
#include <linux/iio/trigger.h>
#include <linux/iio/events.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
#include <linux/iio/buffer.h>

#include <linux/platform_data/st_sensors_pdata.h>

#include "hts221.h"

#define HTS221_REG_DRDY_HL_ADDR …
#define HTS221_REG_DRDY_HL_MASK …
#define HTS221_REG_DRDY_PP_OD_ADDR …
#define HTS221_REG_DRDY_PP_OD_MASK …
#define HTS221_REG_DRDY_EN_ADDR …
#define HTS221_REG_DRDY_EN_MASK …
#define HTS221_REG_STATUS_ADDR …
#define HTS221_RH_DRDY_MASK …
#define HTS221_TEMP_DRDY_MASK …

static int hts221_trig_set_state(struct iio_trigger *trig, bool state)
{ … }

static const struct iio_trigger_ops hts221_trigger_ops = …;

static irqreturn_t hts221_trigger_handler_thread(int irq, void *private)
{ … }

int hts221_allocate_trigger(struct iio_dev *iio_dev)
{ … }

static int hts221_buffer_preenable(struct iio_dev *iio_dev)
{ … }

static int hts221_buffer_postdisable(struct iio_dev *iio_dev)
{ … }

static const struct iio_buffer_setup_ops hts221_buffer_ops = …;

static irqreturn_t hts221_buffer_handler_thread(int irq, void *p)
{ … }

int hts221_allocate_buffers(struct iio_dev *iio_dev)
{ … }

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;