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ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port
author
Kailang Yang
<kailang@realtek.com>
Fri, 23 Feb 2024 06:54:34 +0000
(14:54 +0800)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 27 Feb 2024 08:43:28 +0000
(09:43 +0100)
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@realtek.com>
Link:
https://lore.kernel.org/r/7493e207919a4fb3a0599324fd010e3e@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_realtek.c
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diff --git
a/sound/pci/hda/patch_realtek.c
b/sound/pci/hda/patch_realtek.c
index cf83fff9a387e08f6124ed0f565419fca87b3ddc..62701197a019b0c4faef3d4d72cad96e841d9cbc 100644
(file)
--- a/
sound/pci/hda/patch_realtek.c
+++ b/
sound/pci/hda/patch_realtek.c
@@
-3684,6
+3684,7
@@
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 */