lkml.org 
[lkml]   [2019]   [Dec]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5.4 31/92] ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236
Date
From: Kailang Yang <kailang@realtek.com>

commit e1e8c1fdce8b00fce08784d9d738c60ebf598ebc upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
sound/pci/hda/patch_realtek.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

--- 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 hd
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 hd
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;

\
 
 \ /
  Last update: 2019-12-11 17:22    [W:0.238 / U:1.436 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site