From: Ian Abbott <abbotti@mev.co.uk>
Date: Fri, 31 Aug 2012 19:41:44 +0000 (+0100)
Subject: staging: comedi: das08: Support read-back of AO subdevice
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~75^2~801
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0ba1d6e19c5e7f91005eaa4d9c14851e217feea;p=pandora-kernel.git

staging: comedi: das08: Support read-back of AO subdevice

Stash the last value written to each AO channel in private data and
support the INSN_READ instruction to read it back.  Don't bother setting
the SDF_READABLE subdevice flag though as the hardware isn't really
readable - we're just faking it.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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