This is a note to let you know that I've just added the patch titled
ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-alc283-codec-avoid-pop-noise-on-headphones-during-suspend-resume.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From b450b17c156e264bc44a198046d3ebaaef5a041d Mon Sep 17 00:00:00 2001
From: Harsha Priya <[email protected]>
Date: Thu, 9 Oct 2014 11:04:56 +0000
Subject: ALSA: ALC283 codec - Avoid pop noise on headphones during
suspend/resume
From: Harsha Priya <[email protected]>
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 <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/pci/hda/patch_realtek.c | 3 +++
1 file changed, 3 insertions(+)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3125,6 +3125,9 @@ static void alc283_shutup(struct hda_cod
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);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.17/alsa-alc283-codec-avoid-pop-noise-on-headphones-during-suspend-resume.patch
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