From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 4 Mar 2014 18:30:02 +0000 (-0700)
Subject: staging: comedi: pcl812: tidy up the analog input (*insn_read)
X-Git-Tag: v3.15-rc1~139^2~641
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30bcb039d573356170ba26e829eba9a4b1ce3048;p=pandora-kernel.git

staging: comedi: pcl812: tidy up the analog input (*insn_read)

For aesthetics, move this function out of the async command support
code.

For safety, the INT request (end-of-conversion flag) should be cleared
before doing each conversion and after the final data sample is read.
The driver currently does not do this.

Refactor the function a bit so it's more like the pcl818 and pcl816
drivers and use common code to clear the flag for a timeout and after
the last sample.

Do a bit of other tidying up during the move.

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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