From 7af64f9acb2b13f24dfbb1c0aac91229671314d6 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 9 Dec 2013 15:30:49 -0700
Subject: [PATCH] staging: comedi: pcmmio: tidy up ao_rinsn()

Rename this function so it has namespace associated with the driver.

Move the 'chan' local variable out of the for () loop. The 'chan' is
constant for the comedi_insn and only needs to be fetched once from
the insn->chanspec.

Also, remove the sanity check of the chan. The comedi core will ensure
that the chan is valid for the subdevice before calling this function.

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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