staging:iio:meter:ade7758 switch from sw_ring to kfifo
authorJonathan Cameron <jic23@kernel.org>
Fri, 30 Nov 2012 14:22:00 +0000 (14:22 +0000)
committerJonathan Cameron <jic23@kernel.org>
Sat, 26 Jan 2013 10:07:52 +0000 (10:07 +0000)
sw ring is going away so switch over to kfifo based buffer implementation.
The only real change is that poll will return on some data there rather than
buffer 50% full.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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