Commit 3aabf94c authored Nov 08, 2017 by Kailang Yang Committed by Takashi Iwai Nov 15, 2017

ALSA: hda/realtek - Fix ALC275 no sound issue

Sound works after a cold boot but not after a reboot from windows.
This patch will solve this issue. This is relation with Class-D power control.

[ The bug was reported in Bugzilla below for Sony VAIO SVS13A1C5E
  -- tiwai]

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=197737


Cc: <stable@vger.kernel.org>
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent f38736c3

sound/pci/hda/patch_realtek.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -341,6 +341,9 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
		case 0x10ec0299:
		alc_update_coef_idx(codec, 0x10, 1<<9, 0);
		break;
		case 0x10ec0275:
		alc_update_coef_idx(codec, 0xe, 0, 1<<0);
		break;
		case 0x10ec0293:
		alc_update_coef_idx(codec, 0xa, 1<<13, 0);
		break;