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062809ef77
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>
29 lines
628 B
C
29 lines
628 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* STMicroelectronics sensors i2c library driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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*/
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#ifndef ST_SENSORS_I2C_H
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#define ST_SENSORS_I2C_H
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#include <linux/i2c.h>
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#include <linux/iio/common/st_sensors.h>
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#include <linux/of.h>
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int st_sensors_i2c_configure(struct iio_dev *indio_dev,
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struct i2c_client *client);
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#ifdef CONFIG_ACPI
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int st_sensors_match_acpi_device(struct device *dev);
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#else
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static inline int st_sensors_match_acpi_device(struct device *dev)
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{
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return -ENODEV;
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}
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#endif
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#endif /* ST_SENSORS_I2C_H */
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