android_kernel_xiaomi_sm8350/include/linux/iio/common/st_sensors_i2c.h
Denis Ciocca 062809ef77 iio: make st_sensors drivers use regmap
This patch is meant to replace the i2c/spi transfer functions with
regmap. SPI framework requires DMA safe buffers so let's add GFP_DMA
flag for memory allocation used by bulk_read functions.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 22:52:06 +01:00

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C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics sensors i2c library driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
*/
#ifndef ST_SENSORS_I2C_H
#define ST_SENSORS_I2C_H
#include <linux/i2c.h>
#include <linux/iio/common/st_sensors.h>
#include <linux/of.h>
int st_sensors_i2c_configure(struct iio_dev *indio_dev,
struct i2c_client *client);
#ifdef CONFIG_ACPI
int st_sensors_match_acpi_device(struct device *dev);
#else
static inline int st_sensors_match_acpi_device(struct device *dev)
{
return -ENODEV;
}
#endif
#endif /* ST_SENSORS_I2C_H */