linux/drivers/iio/pressure/ms5611.h
Jonathan Cameron caa6693e40 iio: pressure: ms5611: Switch to fully devm_ managed registration.
All the remaining calls in probe() have devm_ equivalents so
switching to those allows the remove() callbacks to be deleted.
No functional change.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Tomasz Duszynski <tduszyns@gmail.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20221016163409.320197-15-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-12-28 17:19:45 +00:00

59 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* MS5611 pressure and temperature sensor driver
*
* Copyright (c) Tomasz Duszynski <tduszyns@gmail.com>
*
*/
#ifndef _MS5611_H
#define _MS5611_H
#include <linux/device.h>
#include <linux/iio/iio.h>
#include <linux/mutex.h>
#define MS5611_RESET 0x1e
#define MS5611_READ_ADC 0x00
#define MS5611_READ_PROM_WORD 0xA0
#define MS5611_PROM_WORDS_NB 8
enum {
MS5611,
MS5607,
};
/*
* OverSampling Rate descriptor.
* Warning: cmd MUST be kept aligned on a word boundary (see
* m5611_spi_read_adc_temp_and_pressure in ms5611_spi.c).
*/
struct ms5611_osr {
unsigned long conv_usec;
u8 cmd;
unsigned short rate;
};
struct ms5611_state {
void *client;
struct mutex lock;
const struct ms5611_osr *pressure_osr;
const struct ms5611_osr *temp_osr;
u16 prom[MS5611_PROM_WORDS_NB];
int (*reset)(struct ms5611_state *st);
int (*read_prom_word)(struct ms5611_state *st, int index, u16 *word);
int (*read_adc_temp_and_pressure)(struct ms5611_state *st,
s32 *temp, s32 *pressure);
int (*compensate_temp_and_pressure)(struct ms5611_state *st, s32 *temp,
s32 *pressure);
};
int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
const char *name, int type);
#endif /* _MS5611_H */