From a0e82af4c5703138b21e417440ffc937b671db1e Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 5 Jun 2013 15:36:45 -0700
Subject: [PATCH] staging: comedi: pcmad: remove need for boardinfo in
 pcmad_ai_insn_read()

The const boardinfo pointer is only used in this function to work out
the value needed to convert the data to its twos complement. Use the
comedi_subdevice 'maxdata' to do this conversion and remove the 'board'
pointer.

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