Commit e3743f43 authored Nov 26, 2019 by Kailang Yang Committed by Greg Kroah-Hartman Dec 13, 2019

ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236



commit e1e8c1fd 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: 4344aec8 ("ALSA: hda/realtek - New codec support for ALC256")
Fixes: 736f20a7 ("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>

parent e0d9c5c5

sound/pci/hda/patch_realtek.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -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;