This is a note to let you know that I've just added the patch titled
ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port
to the 5.15-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-alc285-reduce-pop-noise-from-headph.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a48c4e78648255b7f13f354f352c97056c5ce83c
Author: Kailang Yang <kailang@xxxxxxxxxxx>
Date: Fri Feb 23 14:54:34 2024 +0800
ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port
[ Upstream commit b34bf65838f7c6e785f62681605a538b73c2808c ]
It had pop noise from Headphone port when system reboot state.
If NID 58h Index 0x0 to fill default value, it will reduce pop noise.
Signed-off-by: Kailang Yang <kailang@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/7493e207919a4fb3a0599324fd010e3e@xxxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a6e6ed1355abf..3a86f0fd78278 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3675,6 +3675,7 @@ static void alc285_hp_init(struct hda_codec *codec)
int i, val;
int coef38, coef0d, coef36;
+ alc_write_coefex_idx(codec, 0x58, 0x00, 0x1888); /* write default value */
alc_update_coef_idx(codec, 0x4a, 1<<15, 1<<15); /* Reset HP JD */
coef38 = alc_read_coef_idx(codec, 0x38); /* Amp control */
coef0d = alc_read_coef_idx(codec, 0x0d); /* Digital Misc control */
