From: Luotao Fu <l.fu@pengutronix.de>
Date: Thu, 10 Jun 2010 19:05:23 +0000 (-0700)
Subject: Input: matrix_keypad - add support for clustered irq
X-Git-Tag: v2.6.36-rc1~581^2^2~53
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb76dd10b91146e9cefbb3cd4e6812c5a95ee43b;p=pandora-kernel.git

Input: matrix_keypad - add support for clustered irq

This one adds support of a combined irq source for the whole matrix keypad.
This can be useful if all rows and columns of the keypad are e.g. connected
to a GPIO expander, which only has one interrupt line for all events on
every single GPIO.

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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