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: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index dce0682..804a570 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -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;