From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 1 Oct 2013 00:54:08 +0000 (-0700)
Subject: staging: comedi: ni_at_ao: tidy up atao_ao_winsn()
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~62^2~486
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8305aac35741009a0946eb1fe536bec11e8e12cb;p=pandora-kernel.git

staging: comedi: ni_at_ao: tidy up atao_ao_winsn()

For aesthetics, rename this function to help with greps.

For channel 0, register group 1 only needs to be selected before
writing the values and restored to group 0 when the writes are
finished. Move the code out of the for () loop.

Use the comedi_ffset_munge() helper to handle the offset binary to
two's complement munging.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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