From 72474be62d6ec2e0337ff01ecbd737f9c5c242c7 Mon Sep 17 00:00:00 2001
From: Matthew Ranostay <mranostay@embeddedalley.com>
Date: Thu, 9 Oct 2008 09:32:17 -0400
Subject: [PATCH] ALSA: hda: VREF powerdown for headphones

Add support for powering down VREF on standard headphone insertion, also
powers up the VREF on a headset insertion.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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