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Commit 072c5925 authored by Kailang Yang's avatar Kailang Yang Committed by Greg Kroah-Hartman
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ALSA: hda/realtek - Fix ALC275 no sound issue 

commit 3aabf94c2d95fe465d5fa8590113d1c1f7d8333d upstream.

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


Signed-off-by: default avatarKailang Yang <kailang@realtek.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6352ec90

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;