From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 30 Sep 2010 22:37:53 +0000 (-0700)
Subject: ASoC: Implement interrupt based jack detection
X-Git-Tag: v2.6.37-rc1~126^2~1^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7711308ae68900a047782f5fe1bd46196ea8be0e;p=pandora-kernel.git

ASoC: Implement interrupt based jack detection

Allow microphone detection on WM8962 to be performed using the interrupt
signal, allowing the detection of both microphone presence and button
presses with a signal singal from the CODEC to CPU.  Currently a 250ms
debounce time is applied to both short circuit and presence detection,
this has not been optimised.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
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