iio: Add buffer enable/disable callbacks

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This patch adds a enable and disable callback that is called when the
buffer is enabled/disabled. This can be used by buffer implementations that
need to do some setup or teardown work. E.g. a DMA based buffer can use
this to start/stop the DMA transfer.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Lars-Peter Clausen 2015-10-13 18:10:27 +02:00 • committed by Jonathan Cameron

parent b440655b89

commit e18a2ad45c

2 changed files with 43 additions and 1 deletions

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8

include/linux/iio/buffer.h

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