From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 22 Aug 2012 04:57:15 +0000 (-0700)
Subject: Input: imx_keypad - reset the hardware before enabling
X-Git-Tag: v3.6-rc5~2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f35dd69ba341bda3790713b9e964483934b995e1;p=pandora-kernel.git

Input: imx_keypad - reset the hardware before enabling

Ensure the hardware is correctly initialized before requesting the
interrupt, otherwise if a key was already touched since power-on the
kernel enters an interrupt loop. To fix this issue we clear pending
interrupt sources. We also have to make sure clk is enabled while
changing the keypad registers.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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