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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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drivers/iio/Kconfig
+7
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@@ -30,6 +30,13 @@ config IIO_KFIFO_BUF
no buffer events so it is up to userspace to work out how
often to read from the buffer.
config IIO_TRIGGERED_BUFFER
tristate
select IIO_TRIGGER
select IIO_KFIFO_BUF
help
Provides helper functions for setting up triggered buffers.
endif # IIO_BUFFER
config IIO_TRIGGER