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c02cd5c19c
Now that output (kfifo) buffers are supported, we need to extend the
{devm_}iio_triggered_buffer_setup_ext() parameter list to take a direction
parameter.
This allows us to attach an output triggered buffer to a DAC device.
Unfortunately it's a bit difficult to add another macro to avoid changing 5
drivers where {devm_}iio_triggered_buffer_setup_ext() is used.
Well, it's doable, but may not be worth the trouble vs just updating all
these 5 drivers.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Mihail Chindris <mihail.chindris@analog.com>
Link: https://lore.kernel.org/r/20211007080035.2531-4-mihail.chindris@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_IIO_TRIGGERED_BUFFER_H_
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#define _LINUX_IIO_TRIGGERED_BUFFER_H_
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#include <linux/iio/buffer.h>
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#include <linux/interrupt.h>
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struct attribute;
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struct iio_dev;
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struct iio_buffer_setup_ops;
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int iio_triggered_buffer_setup_ext(struct iio_dev *indio_dev,
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irqreturn_t (*h)(int irq, void *p),
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irqreturn_t (*thread)(int irq, void *p),
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enum iio_buffer_direction direction,
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const struct iio_buffer_setup_ops *setup_ops,
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const struct attribute **buffer_attrs);
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void iio_triggered_buffer_cleanup(struct iio_dev *indio_dev);
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#define iio_triggered_buffer_setup(indio_dev, h, thread, setup_ops) \
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iio_triggered_buffer_setup_ext((indio_dev), (h), (thread), \
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IIO_BUFFER_DIRECTION_IN, (setup_ops), \
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NULL)
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int devm_iio_triggered_buffer_setup_ext(struct device *dev,
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struct iio_dev *indio_dev,
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irqreturn_t (*h)(int irq, void *p),
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irqreturn_t (*thread)(int irq, void *p),
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enum iio_buffer_direction direction,
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const struct iio_buffer_setup_ops *ops,
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const struct attribute **buffer_attrs);
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#define devm_iio_triggered_buffer_setup(dev, indio_dev, h, thread, setup_ops) \
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devm_iio_triggered_buffer_setup_ext((dev), (indio_dev), (h), (thread), \
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IIO_BUFFER_DIRECTION_IN, \
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(setup_ops), NULL)
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#endif
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