From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 23 Apr 2013 01:33:22 +0000 (-0700)
Subject: staging: comedi: das800: introduce das800_ind_{write, read}()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~137^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a8fc08910cfec7713801b7097e9a31c960339b8;p=pandora-kernel.git

staging: comedi: das800: introduce das800_ind_{write, read}()

The GAS800_GAIN register contains some bits that enable indirect
writing to additional registers on the board through iobase + 2
and indirect reading of addition registers through iobase + 7.

Introduce some helper functions to handle the indirect register
write/read.

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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