From: Harsha Priya <harshapriya.n@intel.com>
Date: Thu, 9 Oct 2014 11:04:56 +0000 (+0000)
Subject: ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
X-Git-Tag: v3.14.23~40
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=78cc329441b851c40a9ae6f43a95ff6a14b6ef47;p=platform%2Fkernel%2Flinux-stable.git

ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume

commit b450b17c156e264bc44a198046d3ebaaef5a041d upstream.

This patch sets the headphones mode to default before suspending
which helps avoid the pop noise on headphones

Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 5d0058b..4c826a4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2926,6 +2926,9 @@ static void alc283_shutup(struct hda_codec *codec)
 
 	alc_write_coef_idx(codec, 0x43, 0x9004);
 
+	/*depop hp during suspend*/
+	alc_write_coef_idx(codec, 0x06, 0x2100);
+
 	snd_hda_codec_write(codec, hp_pin, 0,
 			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);