From: Imre Deak <imre.deak@nokia.com>
Date: Tue, 14 Feb 2006 14:00:15 +0000 (+0200)
Subject: ads7846: Implement debouncing and rudimentary sample filtering
X-Git-Tag: v2.6.16-omap1~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7ec4d7d853f45beeb89c5e5782be706f4f6f8b7;p=pandora-kernel.git

ads7846: Implement debouncing and rudimentary sample filtering

Some touchscreens seem to oscillate heavily for a while after
touching the screen.  Implement support for sampling the screen
until we get two consecutive values that are close enough.

Signed-off-by: Imre Deak <imre.deak@nokia.com>
Signed-off-by: Juha Yrjölä <juha.yrjola@nokia.com>
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