From: David Henningsson <david.henningsson@canonical.com>
Date: Thu, 30 Oct 2014 07:26:01 +0000 (+0100)
Subject: ALSA: hda - Set GPIO 4 low for a few HP machines
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~153^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a5255f17d913581cc8351582676e06d4613c20d;p=pandora-kernel.git

ALSA: hda - Set GPIO 4 low for a few HP machines

These HP machines needs GPIO 4 low to enable the headphone amplifier.
In addition, we still need to control LEDs via vref and GPIO.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1387128
Tested-by: TienFu Chen <tienfu.chen@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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