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iio: Add helper function for initializing triggered buffers

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Add a helper function for executing the common tasks which are usually involved
in setting up a simple software ringbuffer. It will allocate the buffer,
allocate the pollfunc and register the buffer.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars-Peter Clausen 2012-06-18 18:33:48 +02:00 • committed by Greg Kroah-Hartman
parent f5b81ddd12
commit 23f2d735a9
4 changed files with 133 additions and 0 deletions
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15
include/linux/iio/triggered_buffer.h Normal file
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#ifndef _LINUX_IIO_TRIGGERED_BUFFER_H_
#define _LINUX_IIO_TRIGGERED_BUFFER_H_
#include <linux/interrupt.h>
struct iio_dev;
struct iio_buffer_setup_ops;
int iio_triggered_buffer_setup(struct iio_dev *indio_dev,
irqreturn_t (*pollfunc_bh)(int irq, void *p),
irqreturn_t (*pollfunc_th)(int irq, void *p),
const struct iio_buffer_setup_ops *setup_ops);
void iio_triggered_buffer_cleanup(struct iio_dev *indio_dev);
#endif