[SRU,Artful,OEM,2/2] ALSA: hda/realtek - Fix speaker no sound after system resume
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Message ID 1522050309-9046-3-git-send-email-hui.wang@canonical.com
State New
Headers show
Series
  • speaker can't output sound anymore after system resumes from S3 on a lenovo machine with alc257
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Commit Message

Hui Wang March 26, 2018, 7:45 a.m. UTC
From: Kailang Yang <kailang@realtek.com>

BugLink: https://bugs.launchpad.net/bugs/1758829

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>
(cherry picked from commit 88d42b2b45d7208cc872c2c9dec0b1ae6c6008d7)
Signed-off-by: Hui Wang <hui.wang@canonical.com>
---
 sound/pci/hda/patch_realtek.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
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diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9ce42a1..911e4d2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3102,6 +3102,8 @@  static void alc256_init(struct hda_codec *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)
@@ -6837,6 +6839,8 @@  static int patch_alc269(struct hda_codec *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: