From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 4 Jun 2013 02:05:08 +0000 (-0700)
Subject: staging: comedi: pcmda12: cleanup pcmda12_ao_insn_write()
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~76^2~278
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0dc084e13145cd75bab09e08d7b7db84d09e319;p=pandora-kernel.git

staging: comedi: pcmda12: cleanup pcmda12_ao_insn_write()

Only the last value needs to be saved for readback.

Remove the LSB and MSB macros.

(*insn_write) functions should return an errno or the number of
samples actually read. Change the final return to insn->n to
make this clear.

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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