[PATCH 1/2] ALSA: hda/realtek: Limit Star Labs internal mic boost
From: Sean Rhodes
Date: Fri Jul 31 2026 - 17:13:24 EST
The 30 dB internal mic boost is too high for laptops, especially with fans. Limit Star Labs internal mic boost to 10 dB.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
---
sound/hda/codecs/realtek/alc269.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 379e1458f4ac..42756a3f3f8e 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4188,6 +4188,7 @@ enum {
ALC245_FIXUP_CLEVO_NOISY_MIC,
ALC269_FIXUP_VAIO_VJFH52_MIC_NO_PRESENCE,
ALC233_FIXUP_MEDION_MTL_SPK,
+ ALC269_FIXUP_STARLABS_LIMIT_INT_MIC_BOOST,
ALC233_FIXUP_STARLABS_STARFIGHTER,
ALC294_FIXUP_BASS_SPEAKER_15,
ALC283_FIXUP_DELL_HP_RESUME,
@@ -6725,6 +6726,10 @@ static const struct hda_fixup alc269_fixups[] = {
{ }
},
},
+ [ALC269_FIXUP_STARLABS_LIMIT_INT_MIC_BOOST] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc269_fixup_limit_int_mic_boost,
+ },
[ALC233_FIXUP_STARLABS_STARFIGHTER] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc233_fixup_starlabs_starfighter,
@@ -8099,6 +8104,7 @@ static const struct hda_quirk alc269_fixup_vendor_tbl[] = {
SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo XPAD", ALC269_FIXUP_LENOVO_XPAD_ACPI),
SND_PCI_QUIRK_VENDOR(0x19e5, "Huawei Matebook", ALC255_FIXUP_MIC_MUTE_LED),
+ SND_PCI_QUIRK_VENDOR(0x2145, "Star Labs", ALC269_FIXUP_STARLABS_LIMIT_INT_MIC_BOOST),
{}
};