From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 20 Jan 2015 21:53:22 +0000 (-0700)
Subject: staging: comedi: adv_pci1710: introduce pci171x_ai_read_sample()
X-Git-Tag: fixes-v4.0-rc1~99^2~208
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fd2dae2500d;p=pandora-kernel.git

staging: comedi: adv_pci1710: introduce pci171x_ai_read_sample()

Introduce a helper function to read an analog input sample, check for
channel dropout, and mask the sample to the maxdata of the subdevice.

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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