mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-30 22:03:17 +01:00
Paul Cercueil
c1b9156658
Update the devm_iio_dmaengine_buffer_setup() function to support specifying the buffer direction. Update the iio_dmaengine_buffer_submit() function to handle input buffers as well as output buffers. Signed-off-by: Paul Cercueil <[email protected]> Reviewed-by: Alexandru Ardelean <[email protected]> Signed-off-by: Nuno Sa <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
35 lines
989 B
C
35 lines
989 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright 2014-2015 Analog Devices Inc.
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* Author: Lars-Peter Clausen <[email protected]>
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*/
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#ifndef __IIO_DMAENGINE_H__
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#define __IIO_DMAENGINE_H__
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#include <linux/iio/buffer.h>
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struct iio_dev;
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struct device;
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void iio_dmaengine_buffer_free(struct iio_buffer *buffer);
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struct iio_buffer *iio_dmaengine_buffer_setup_ext(struct device *dev,
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struct iio_dev *indio_dev,
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const char *channel,
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enum iio_buffer_direction dir);
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#define iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
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iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
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IIO_BUFFER_DIRECTION_IN)
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int devm_iio_dmaengine_buffer_setup_ext(struct device *dev,
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struct iio_dev *indio_dev,
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const char *channel,
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enum iio_buffer_direction dir);
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#define devm_iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
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devm_iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
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IIO_BUFFER_DIRECTION_IN)
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#endif
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