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%3Ba=su...
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@vger.kernel.org know about it.
From 3aabf94c2d95fe465d5fa8590113d1c1f7d8333d Mon Sep 17 00:00:00 2001
From: Kailang Yang kailang@realtek.com Date: Wed, 8 Nov 2017 15:28:33 +0800 Subject: ALSA: hda/realtek - Fix ALC275 no sound issue
From: Kailang Yang kailang@realtek.com
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@realtek.com Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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@realtek.com 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