From: Michael Hennerich <michael.hennerich@analog.com>
Date: Tue, 2 Aug 2011 22:41:37 +0000 (-0700)
Subject: Input: ad7879 - fix deficient device disable
X-Git-Tag: v3.1-rc1~38^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4fecc2088fd02ce8a6580c12822987d3c6bab9b8;p=pandora-kernel.git

Input: ad7879 - fix deficient device disable

Input close or device disable should not interact with the exported
gpiolib functionality. However that's the case. __ad7879_disable()
clears the entire AD7879_REG_CTRL2, while it should just power down
the ADC and its reference.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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