From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 5 Jun 2013 22:38:57 +0000 (-0700)
Subject: staging: comedi: pcmad: fix analog input data on pcmad12
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~76^2~239
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3170b2565fb2ef37af0d760ca2bde0d8d1f81910;p=pandora-kernel.git

staging: comedi: pcmad: fix analog input data on pcmad12

According to the PCM-A/D-12/16 Operations Manual:

NOTE: On the PCM-A/D-12 the lower nibble of the hex value will always be 0.

Fix the pcmad_ai_insn_read() function to properly handle this by shifting
the data after it has been read.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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