This is a note to let you know that I've just added the patch titled
ALSA: hda/realtek - Fix speaker no sound after system resume
to the 4.15-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-hda-realtek-fix-speaker-no-sound-after-system-resume.patch
and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 88d42b2b45d7208cc872c2c9dec0b1ae6c6008d7 Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@xxxxxxxxxxx>
Date: Wed, 14 Mar 2018 16:08:57 +0800
Subject: ALSA: hda/realtek - Fix speaker no sound after system resume
From: Kailang Yang <kailang@xxxxxxxxxxx>
commit 88d42b2b45d7208cc872c2c9dec0b1ae6c6008d7 upstream.
It will have a chance speaker no sound after system resume.
To toggle NID 0x53 index 0x2 bit 15 will solve this issue.
This usage will also suitable with ALC256.
Fixes: 4a219ef8f370 ("ALSA: hda/realtek - Add ALC256 HP depop function")
Signed-off-by: Kailang Yang <kailang@xxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/pci/hda/patch_realtek.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3130,6 +3130,8 @@ static void alc256_init(struct hda_codec
alc_update_coef_idx(codec, 0x46, 3 << 12, 0);
alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x4); /* Hight power */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 1 << 15); /* Clear bit */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 0 << 15);
}
static void alc256_shutup(struct hda_codec *codec)
@@ -7032,6 +7034,8 @@ static int patch_alc269(struct hda_codec
break;
case 0x10ec0257:
spec->codec_variant = ALC269_TYPE_ALC257;
+ spec->shutup = alc256_shutup;
+ spec->init_hook = alc256_init;
spec->gen.mixer_nid = 0;
break;
case 0x10ec0215:
Patches currently in stable-queue which might be from kailang@xxxxxxxxxxx are
queue-4.15/alsa-hda-realtek-fix-speaker-no-sound-after-system-resume.patch
queue-4.15/alsa-hda-realtek-fix-dell-headset-mic-can-t-record.patch