Enable Mute LED for Lenovo platform

[Kailang <kailang@realtek.com>]

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Hi Takashi,

Attach patch was for enable mute led functions of the Lenovo platform.
Many Thanks.

BR,
Kailang

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From 1c6cf4a29bedbe2c44427abed0996b1c0a678009 Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@realtek.com>
Date: Mon, 22 Dec 2025 17:20:06 +0800
Subject: [PATCH] ALSA: hda/realtek - Enable Mute LED for Lenovo platform

Enable SPK Mute Led and Mic Mute Led for Lenovo platform.

Priority: P1
Signed-off-by: Kailang Yang <kailang@realtek.com>

diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 9510aa2f1bda..f488d952024a 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -1616,6 +1616,20 @@ static void alc295_fixup_hp_mute_led_coefbit11(struct hda_codec *codec,
 	}
 }
 
+static void alc233_fixup_lenovo_coef_micmute_led(struct hda_codec *codec,
+				const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->mic_led_coef.idx = 0x10;
+		spec->mic_led_coef.mask = 1 << 13;
+		spec->mic_led_coef.on = 0;
+		spec->mic_led_coef.off = 1 << 13;
+		snd_hda_gen_add_micmute_led_cdev(codec, coef_micmute_led_set);
+	}
+}
+
 static void alc285_fixup_hp_mute_led(struct hda_codec *codec,
 				const struct hda_fixup *fix, int action)
 {
@@ -1905,6 +1919,38 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec,
 		spec->kb_dev = NULL;
 	}
 }
+/* GPIO2 = mic mute hotkey
+ * GPIO3 = mic mute LED
+ */
+static void alc233_fixup_lenovo_gpio2_mic_hotkey(struct hda_codec *codec,
+					     const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	alc233_fixup_lenovo_coef_micmute_led(codec, fix, action);
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		alc_update_coef_idx(codec, 0x10, 1<<2, 1<<2);
+		if (alc_register_micmute_input_device(codec) != 0)
+			return;
+
+		spec->gpio_mask |= 0x04;
+		spec->gpio_dir |= 0x0;
+		snd_hda_codec_write_cache(codec, codec->core.afg, 0,
+					  AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x04);
+		snd_hda_jack_detect_enable_callback(codec, codec->core.afg,
+						    gpio2_mic_hotkey_event);
+		return;
+	}
+
+	if (!spec->kb_dev)
+		return;
+
+	switch (action) {
+	case HDA_FIXUP_ACT_FREE:
+		input_unregister_device(spec->kb_dev);
+		spec->kb_dev = NULL;
+	}
+}
 
 /* Line2 = mic mute hotkey
  * GPIO2 = mic mute LED
@@ -3791,6 +3837,7 @@ enum {
 	ALC245_FIXUP_HP_TAS2781_I2C_MUTE_LED,
 	ALC288_FIXUP_SURFACE_SWAP_DACS,
 	ALC236_FIXUP_HP_MUTE_LED_MICMUTE_GPIO,
+	ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY,
 };
 
 /* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -6256,6 +6303,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc288_fixup_surface_swap_dacs,
 	},
+        [ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY] = {
+                .type = HDA_FIXUP_FUNC,
+                .v.func = alc233_fixup_lenovo_gpio2_mic_hotkey,
+        },
 };
 
 static const struct hda_quirk alc269_fixup_tbl[] = {
@@ -7151,7 +7202,12 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x3176, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x17aa, 0x3178, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x17aa, 0x31af, "ThinkCentre Station", ALC623_FIXUP_LENOVO_THINKSTATION_P340),
+	SND_PCI_QUIRK(0x17aa, 0x3341, "Lenovo ThinkCentre M90 Gen4", ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY),
+	SND_PCI_QUIRK(0x17aa, 0x3342, "Lenovo ThinkCentre M90 Gen4", ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY),
+	SND_PCI_QUIRK(0x17aa, 0x3343, "Lenovo ThinkCentre M70 Gen4", ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY),
+	SND_PCI_QUIRK(0x17aa, 0x3344, "Lenovo ThinkCentre M70 Gen4", ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY),
 	SND_PCI_QUIRK(0x17aa, 0x334b, "Lenovo ThinkCentre M70 Gen5", ALC283_FIXUP_HEADSET_MIC),
+	SND_PCI_QUIRK(0x17aa, 0x334f, "Lenovo ThinkCentre M90a Gen5", ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY),
 	SND_PCI_QUIRK(0x17aa, 0x3384, "ThinkCentre M90a PRO", ALC233_FIXUP_LENOVO_L2MH_LOW_ENLED),
 	SND_PCI_QUIRK(0x17aa, 0x3386, "ThinkCentre M90a Gen6", ALC233_FIXUP_LENOVO_L2MH_LOW_ENLED),
 	SND_PCI_QUIRK(0x17aa, 0x3387, "ThinkCentre M70a Gen6", ALC233_FIXUP_LENOVO_L2MH_LOW_ENLED),