linux-kernel - [PATCH 4.11 075/115] ALSA: hda

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Date:   Mon,  5 Jun 2017 18:17:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 4.11 075/115] ALSA: hda - No loopback on ALC299 codec

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@...e.de>

commit fa16b69f1299004b60b625f181143500a246e5cb upstream.

ALC299 has no loopback mixer, but the driver still tries to add a beep
control over the mixer NID which leads to the error at accessing it.
This patch fixes it by properly declaring mixer_nid=0 for this codec.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195775
Fixes: 28f1f9b26cee ("ALSA: hda/realtek - Add new codec ID ALC299")
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/pci/hda/patch_realtek.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6276,8 +6276,11 @@ static int patch_alc269(struct hda_codec
 		break;
 	case 0x10ec0225:
 	case 0x10ec0295:
+		spec->codec_variant = ALC269_TYPE_ALC225;
+		break;
 	case 0x10ec0299:
 		spec->codec_variant = ALC269_TYPE_ALC225;
+		spec->gen.mixer_nid = 0; /* no loopback on ALC299 */
 		break;
 	case 0x10ec0234:
 	case 0x10ec0274: