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 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
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-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 88d42b2b45d7208cc872c2c9dec0b1ae6c6008d7 Mon Sep 17 00:00:00 2001
From: Kailang Yang kailang@realtek.com Date: Wed, 14 Mar 2018 16:08:57 +0800 Subject: ALSA: hda/realtek - Fix speaker no sound after system resume
From: Kailang Yang kailang@realtek.com
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@realtek.com Cc: stable@vger.kernel.org Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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 @@ -3107,6 +3107,8 @@ 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) @@ -7004,6 +7006,8 @@ 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@realtek.com are
queue-4.14/alsa-hda-realtek-fix-speaker-no-sound-after-system-resume.patch queue-4.14/alsa-hda-realtek-fix-dell-headset-mic-can-t-record.patch