[added to the 3.18 stable tree] ALSA: hda/realtek - Fix Headphone Mic doesn't recording for ALC256

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From: Kailang Yang <kailang@xxxxxxxxxxx>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit d32b66668c702aed0e330dc5ca186afbadcdacf8 ]

Switch default pcbeep path to Line in path.

Signed-off-by: Kailang Yang <kailang@xxxxxxxxxxx>
Tested-by: Hui Wang <hui.wang@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 sound/pci/hda/patch_realtek.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 5f83a48..e3ad4a4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5415,6 +5415,7 @@ static int patch_alc269(struct hda_codec *codec)
 	case 0x10ec0256:
 		spec->codec_variant = ALC269_TYPE_ALC256;
 		spec->gen.mixer_nid = 0; /* ALC256 does not have any loopback mixer path */
+		alc_update_coef_idx(codec, 0x36, 1 << 13, 1 << 5); /* Switch pcbeep path to Line in path*/
 		break;
 	}
 
-- 
2.1.0

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