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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2014-2015 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> */ #ifndef __IIO_DMAENGINE_H__ #define __IIO_DMAENGINE_H__ #include <linux/iio/buffer.h> struct iio_dev; struct device; void iio_dmaengine_buffer_free(struct iio_buffer *buffer); struct iio_buffer *iio_dmaengine_buffer_setup_ext(struct device *dev, struct iio_dev *indio_dev, const char *channel, enum iio_buffer_direction dir); #define iio_dmaengine_buffer_setup(dev, indio_dev, channel) \ iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \ IIO_BUFFER_DIRECTION_IN) int devm_iio_dmaengine_buffer_setup_ext(struct device *dev, struct iio_dev *indio_dev, const char *channel, enum iio_buffer_direction dir); #define devm_iio_dmaengine_buffer_setup(dev, indio_dev, channel) \ devm_iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \ IIO_BUFFER_DIRECTION_IN) #endif