This is a note to let you know that I've just added the patch titled
ALSA: hda/realtek - Fix ALC275 no sound issue
to the 4.14-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-alc275-no-sound-issue.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@xxxxxxxxxxxxxxx> know about it.
>From 3aabf94c2d95fe465d5fa8590113d1c1f7d8333d Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@xxxxxxxxxxx>
Date: Wed, 8 Nov 2017 15:28:33 +0800
Subject: ALSA: hda/realtek - Fix ALC275 no sound issue
From: Kailang Yang <kailang@xxxxxxxxxxx>
commit 3aabf94c2d95fe465d5fa8590113d1c1f7d8333d upstream.
Sound works after a cold boot but not after a reboot from windows.
This patch will solve this issue. This is relation with Class-D power control.
[ The bug was reported in Bugzilla below for Sony VAIO SVS13A1C5E
-- tiwai]
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=197737
Signed-off-by: Kailang Yang <kailang@xxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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
@@ -341,6 +341,9 @@ static void alc_fill_eapd_coef(struct hd
case 0x10ec0299:
alc_update_coef_idx(codec, 0x10, 1<<9, 0);
break;
+ case 0x10ec0275:
+ alc_update_coef_idx(codec, 0xe, 0, 1<<0);
+ break;
case 0x10ec0293:
alc_update_coef_idx(codec, 0xa, 1<<13, 0);
break;
Patches currently in stable-queue which might be from kailang@xxxxxxxxxxx are
queue-4.14/alsa-hda-realtek-fix-alc700-family-no-sound-issue.patch
queue-4.14/alsa-hda-realtek-fix-alc275-no-sound-issue.patch