[PATCH AUTOSEL 4.4 1/4] ALSA: hda/realtek: Fix pop noise on ALC225

Sasha Levin sashal at kernel.org
Fri Mar 27 00:25:32 CET 2020


From: Kai-Heng Feng <kai.heng.feng at canonical.com>

[ Upstream commit 3b36b13d5e69d6f51ff1c55d1b404a74646c9757 ]

Commit 317d9313925c ("ALSA: hda/realtek - Set default power save node to
0") makes the ALC225 have pop noise on S3 resume and cold boot.

So partially revert this commit for ALC225 to fix the regression.

Fixes: 317d9313925c ("ALSA: hda/realtek - Set default power save node to 0")
BugLink: https://bugs.launchpad.net/bugs/1866357
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
Link: https://lore.kernel.org/r/20200311061328.17614-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 sound/pci/hda/patch_realtek.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 55bae9e6de27d..76cf438aa339c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6333,6 +6333,8 @@ static int patch_alc269(struct hda_codec *codec)
 		alc_update_coef_idx(codec, 0x36, 1 << 13, 1 << 5); /* Switch pcbeep path to Line in path*/
 		break;
 	case 0x10ec0225:
+		codec->power_save_node = 1;
+		/* fall through */
 	case 0x10ec0295:
 	case 0x10ec0299:
 		spec->codec_variant = ALC269_TYPE_ALC225;
-- 
2.20.1



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