[regression] Builtin recognized microphone Asus X507UA does not record

[Salvatore Bonaccorso <carnil@debian.org>]

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Hi Igor,

[For context, there was a regression report in Debian at
https://bugs.debian.org/1108069]

On Thu, Jun 19, 2025 at 09:36:13PM -0500, Igor Tamara wrote:
> Package: src:linux
> Version: 6.12.32-1
> Severity: normal
> Tags: a11y
> 
> Dear Maintainer,
> 
> The builtin microphone on my Asus X507UA does not record, is
> recognized and some time ago it worked on Bookworm with image-6.1.0-31,
> newer images are able to record when appending snd_hda_intel.model=1043:1271
> to the boot as a workaround.
> 
> The images that work with the boot option appended are, but not without
> it are:
> 
> linux-image-6.15-amd64
> linux-image-6.12.32-amd64 
> linux-image-6.1.0-37-amd64
> linux-image-6.1.0-0.a.test-amd64-unsigned_6.1.129-1a~test_amd64.deb 
> referenced by https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1100928
> Also compiled from upstream 6.12.22 and 6.1.133 with the same result
> 
> The image linux-image-6.1.0-31-amd64 worked properly, the problem was
> introduced in 129 and the result of the bisect was
> 
> d26408df0e25f2bd2808d235232ab776e4dd08b9 is the first bad commit
> commit d26408df0e25f2bd2808d235232ab776e4dd08b9
> Author: Kuan-Wei Chiu <visitorckw@gmail.com>
> Date:   Wed Jan 29 00:54:15 2025 +0800
> 
>     ALSA: hda: Fix headset detection failure due to unstable sort
>     
>     commit 3b4309546b48fc167aa615a2d881a09c0a97971f upstream.
>     
>     The auto_parser assumed sort() was stable, but the kernel's sort() uses
>     heapsort, which has never been stable. After commit 0e02ca29a563
>     ("lib/sort: optimize heapsort with double-pop variation"), the order of
>     equal elements changed, causing the headset to fail to work.
>     
>     Fix the issue by recording the original order of elements before
>     sorting and using it as a tiebreaker for equal elements in the
>     comparison function.
>     
>     Fixes: b9030a005d58 ("ALSA: hda - Use standard sort function in hda_auto_parser.c")
>     Reported-by: Austrum <austrum.lab@gmail.com>
>     Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219158
>     Tested-by: Austrum <austrum.lab@gmail.com>
>     Cc: stable@vger.kernel.org
>     Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
>     Link: https://patch.msgid.link/20250128165415.643223-1-visitorckw@gmail.com
>     Signed-off-by: Takashi Iwai <tiwai@suse.de>
>     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
>  sound/pci/hda/hda_auto_parser.c | 8 +++++++-
>  sound/pci/hda/hda_auto_parser.h | 1 +
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> I'm attaching the output of alsa-info_alsa-info.sh script
> 
> Please let me know if I can provide more information.

Might you be able to try please the attached patch to see if it fixes
the issue?

Regards,
Salvatore

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From da92704b8bce54678c46501260efee50de16058f Mon Sep 17 00:00:00 2001
From: Salvatore Bonaccorso <carnil@debian.org>
Date: Wed, 25 Jun 2025 20:41:28 +0200
Subject: [PATCH] ALSA: hda/realtek: Fix built-in mic on ASUS VivoBook X507UAR

The built-in mic of ASUS VivoBook X507UAR is broken recently by the fix
of the pin sort. The fixup ALC256_FIXUP_ASUS_MIC_NO_PRESENCE is working
for addressing the regression, too.

Fixes: 3b4309546b48 ("ALSA: hda: Fix headset detection failure due to unstable sort")
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
---
 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 2e1618494c20..3613ed0aa683 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -11026,6 +11026,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1043, 0x1df3, "ASUS UM5606WA", ALC294_FIXUP_BASS_SPEAKER_15),
 	SND_PCI_QUIRK(0x1043, 0x1264, "ASUS UM5606KA", ALC294_FIXUP_BASS_SPEAKER_15),
 	SND_PCI_QUIRK(0x1043, 0x1e02, "ASUS UX3402ZA", ALC245_FIXUP_CS35L41_SPI_2),
+	SND_PCI_QUIRK(0x1043, 0x1e10, "ASUS VivoBook X507UAR", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1043, 0x1e11, "ASUS Zephyrus G15", ALC289_FIXUP_ASUS_GA502),
 	SND_PCI_QUIRK(0x1043, 0x1e12, "ASUS UM3402", ALC287_FIXUP_CS35L41_I2C_2),
 	SND_PCI_QUIRK(0x1043, 0x1e1f, "ASUS Vivobook 15 X1504VAP", ALC2XX_FIXUP_HEADSET_MIC),
-- 
2.50.0