From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 14 Jul 2014 19:23:41 +0000 (-0700)
Subject: staging: comedi: ni_mio_common: fix ni_ao_insn_write_671x()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~166^2~691
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=093b6968857eb47493b955989ae62bb857648117;p=pandora-kernel.git

staging: comedi: ni_mio_common: fix ni_ao_insn_write_671x()

Comedi (*insn_write) functions are expected to write insn->n values to
the hardware. Fix this function to work like the core expects.

Also, use the comedi_offset_munge() helper to convert the comedi unsigned
values into the two's complement values that the hardware needs.

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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