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[SRU,B/OEM-B/D/OEM-OSP1/E/unstable,1/1] UBUNTU: SAUCE: ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236

Message ID 20191129011625.6194-2-hui.wang@canonical.com
State Accepted
Headers show
Series headphone has noise as not mute on dell machines with alc236/256 | expand

Commit Message

Hui Wang Nov. 29, 2019, 1:16 a.m. UTC 
From: Kailang Yang <kailang@realtek.com>

BugLink: https://launchpad.net/bugs/1854401

headphone have noise even the volume is very small.
Let it fill up pcbeep hidden register to default value.
The issue was gone.

Fixes: 4344aec84bd8 ("ALSA: hda/realtek - New codec support for ALC256")
Fixes: 736f20a70608 ("ALSA: hda/realtek - Add support for ALC236/ALC3204")
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/9ae47f23a64d4e41a9c81e263cd8a250@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
(cherry picked from commit e1e8c1fdce8b00fce08784d9d738c60ebf598ebc
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git)
Signed-off-by: Hui Wang <hui.wang@canonical.com>
---
 sound/pci/hda/patch_realtek.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c38eab8e5e47..03734e63a12a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -367,9 +367,7 @@  static void alc_fill_eapd_coef(struct hda_codec *codec)
 	case 0x10ec0215:
 	case 0x10ec0233:
 	case 0x10ec0235:
-	case 0x10ec0236:
 	case 0x10ec0255:
-	case 0x10ec0256:
 	case 0x10ec0257:
 	case 0x10ec0282:
 	case 0x10ec0283:
@@ -381,6 +379,11 @@  static void alc_fill_eapd_coef(struct hda_codec *codec)
 	case 0x10ec0300:
 		alc_update_coef_idx(codec, 0x10, 1<<9, 0);
 		break;
+	case 0x10ec0236:
+	case 0x10ec0256:
+		alc_write_coef_idx(codec, 0x36, 0x5757);
+		alc_update_coef_idx(codec, 0x10, 1<<9, 0);
+		break;
 	case 0x10ec0275:
 		alc_update_coef_idx(codec, 0xe, 0, 1<<0);
 		break;