ALSA: hda - Set GPIO 4 low for a few HP machines
authorDavid Henningsson <david.henningsson@canonical.com>
Thu, 30 Oct 2014 07:26:01 +0000 (08:26 +0100)
committerTakashi Iwai <tiwai@suse.de>
Thu, 30 Oct 2014 07:59:52 +0000 (08:59 +0100)
commit7a5255f17d913581cc8351582676e06d4613c20d
treeefc53c51cad501eb259a9f63b3a8b89206f4f8e8
parent7c21539c45eace48e9f6fbdd59347d8416960af5
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>
sound/pci/hda/patch_realtek.c