From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 25 Jul 2013 23:09:30 +0000 (-0700)
Subject: staging: comedi: usbdux: clarify bipolar ai data in usbduxsub_ai_isoc_irq()
X-Git-Tag: v3.12-rc1~183^2~501
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7acf26edbcba808cb6447af893f30c63751938f8;p=pandora-kernel.git

staging: comedi: usbdux: clarify bipolar ai data in usbduxsub_ai_isoc_irq()

Use the comedi_range_is_bipolar() helper instead of checking the
'range' index against a magic number.

Also, use the s->maxdata to calculate the value needed to munge the
value for bipolar data instead of the magic number.

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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