Commit b34bf658 authored by Kailang Yang's avatar Kailang Yang Committed by Takashi Iwai
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ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port 



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: default avatarKailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/r/7493e207919a4fb3a0599324fd010e3e@realtek.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0ac32a39

sound/pci/hda/patch_realtek.c

+1 −0
Original line number Diff line number Diff line
@@ -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 */