From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 24 Jul 2014 17:14:26 +0000 (-0700)
Subject: staging: comedi: ni_tio: fix ni_tio_insn_read()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~166^2~269
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27c4d23cb070fd83f5705aabfad8d277fed9e022;p=pandora-kernel.git

staging: comedi: ni_tio: fix ni_tio_insn_read()

The comedi core expects the (*insn_read) operations to read insn->n
values and return the number of values read.

Fix this function to work line the core expects.

For aesthetics, factor out the code that reads the SM_Save_Reg.

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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