FAILED: Patch "ALSA: hda/conexant: Add quirk for HP ZBook Studio G4" failed to apply to 5.15-stable tree

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 1585cf83e98db32463e5d54161b06a5f01fe9976 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <[email protected]>
Date: Sat, 7 Feb 2026 14:13:17 +0100
Subject: [PATCH] ALSA: hda/conexant: Add quirk for HP ZBook Studio G4

It was reported that we need the same quirk for HP ZBook Studio G4 (SSID 103c:826b) as other HP models to make the mute-LED working.

---
 sound/hda/codecs/conexant.c | 1 +
 1 file changed, 1 insertion(+)

index 2384e64eada36..5623d8c0a0f7c 100644
@@ -1081,6 +1081,7 @@ static const struct hda_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
 	SND_PCI_QUIRK(0x103c, 0x822e, "HP ProBook 440 G4", CXT_FIXUP_MUTE_LED_GPIO),
 	SND_PCI_QUIRK(0x103c, 0x8231, "HP ProBook 450 G4", CXT_FIXUP_MUTE_LED_GPIO),
+	SND_PCI_QUIRK(0x103c, 0x826b, "HP ZBook Studio G4", CXT_FIXUP_MUTE_LED_GPIO),
 	SND_PCI_QUIRK(0x103c, 0x828c, "HP EliteBook 840 G4", CXT_FIXUP_HP_DOCK),
 	SND_PCI_QUIRK(0x103c, 0x8299, "HP 800 G3 SFF", CXT_FIXUP_HP_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x103c, 0x829a, "HP 800 G3 DM", CXT_FIXUP_HP_MIC_NO_PRESENCE),

2.51.0