Patch "ALSA: hda - Fix headset microphone detection for ASUS N551 and N751" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

ALSA: hda - Fix headset microphone detection for ASUS N551 and N751

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
alsa-hda-fix-headset-microphone-detection-for-asus-n551-and-n751.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Mikhail Paulyshka <[email protected]>
Date: Fri, 21 Apr 2017 08:52:42 +0200
Subject: ALSA: hda - Fix headset microphone detection for ASUS N551 and N751

From: Mikhail Paulyshka <[email protected]>

[ Upstream commit fc7438b1eb12b6c93d7b7a62423779eb5dfc673c ]

Headset microphone does not work out of the box on ASUS Nx51 laptops. This patch fixes it.

Patch tested on Asus N551 laptop. Asus N751 part is not tested, but according to [1] this laptop uses the same audiosystem.

1. https://bugzilla.kernel.org/show_bug.cgi?id=117781

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195437

---
 sound/pci/hda/patch_realtek.c |   12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

@@ -6717,6 +6717,7 @@ enum {
 	ALC668_FIXUP_DELL_DISABLE_AAMIX,
 	ALC668_FIXUP_DELL_XPS13,
 	ALC662_FIXUP_ASUS_Nx50,
+	ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
 	ALC668_FIXUP_ASUS_Nx51,
 };
 

@@ -6964,14 +6965,21 @@ static const struct hda_fixup alc662_fix
 		.chained = true,
 		.chain_id = ALC662_FIXUP_BASS_1A
 	},
+	[ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_headset_mode_alc668,
+		.chain_id = ALC662_FIXUP_BASS_CHMAP
+	},
 	[ALC668_FIXUP_ASUS_Nx51] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = (const struct hda_pintbl[]) {
-			{0x1a, 0x90170151}, /* bass speaker */
+			{ 0x19, 0x03a1913d }, /* use as headphone mic, without its own jack detect */
+			{ 0x1a, 0x90170151 }, /* bass speaker */
+			{ 0x1b, 0x03a1113c }, /* use as headset mic, without its own jack detect */
 			{}
 		},
 		.chained = true,
-		.chain_id = ALC662_FIXUP_BASS_CHMAP,
+		.chain_id = ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
 	},
 };
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/alsa-hda-fix-headset-microphone-detection-for-asus-n551-and-n751.patch