Patch "ALSA: hda/realtek - Fix speaker no sound after system resume" has been added to the 4.14-stable tree

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;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-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Kailang Yang <[email protected]>
Date: Wed, 14 Mar 2018 16:08:57 +0800
Subject: ALSA: hda/realtek - Fix speaker no sound after system resume

From: Kailang Yang <[email protected]>

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.

---
 sound/pci/hda/patch_realtek.c |    4 ++++
 1 file changed, 4 insertions(+)

@@ -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 [email protected] 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