From: Semih Hazar <semih.hazar@indefia.com>
Date: Wed, 18 Jul 2007 04:36:04 +0000 (-0400)
Subject: Input: ads7846 - re-check pendown status before reporting events
X-Git-Tag: v2.6.23-rc1~207^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d25891f3241103d14ea78236504474a138b8ada;p=pandora-kernel.git

Input: ads7846 - re-check pendown status before reporting events

Pendown status from the PENIRQ pin is currently read only at the beginning
of a sample set. If the pen is lifted just after sampling has began then
sampled values become wrong.

This patch adds an optional platform penirq_recheck_delay attribute.  If
non-zero, samples are only reported to the input subsystem if PENIRQ is
still active that long after the samples taken.

Signed-off-by: Semih Hazar <semih.hazar@indefia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

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