[PATCH] ALSA: hda/realtek: Limit mic boost on Positivo DN140

Edson Juliano Drosdeck posted 1 patch 2 weeks, 1 day ago
sound/hda/codecs/realtek/alc269.c | 1 +
1 file changed, 1 insertion(+)
[PATCH] ALSA: hda/realtek: Limit mic boost on Positivo DN140
Posted by Edson Juliano Drosdeck 2 weeks, 1 day ago
The internal mic boost on the Positivo DN140 is too high.
Fix this by applying the ALC269_FIXUP_LIMIT_INT_MIC_BOOST fixup to the machine
to limit the gain.

Signed-off-by: Edson Juliano Drosdeck <edson.drosdeck@gmail.com>
---
 sound/hda/codecs/realtek/alc269.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index f180d6a72021..acf046ee10d2 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -7845,6 +7845,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1d72, 0x1947, "RedmiBook Air", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1e39, 0xca14, "MEDION NM14LNL", ALC233_FIXUP_MEDION_MTL_SPK),
 	SND_PCI_QUIRK(0x1e50, 0x7007, "Positivo DN50E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
+	SND_PCI_QUIRK(0x1e50, 0x7038, "Positivo DN140", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x1ee7, 0x2078, "HONOR BRB-X M1010", ALC2XX_FIXUP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1ee7, 0x2081, "HONOR MRB-XXX M1020", ALC256_FIXUP_HONOR_MRB_XXX_M1020_AUDIO),
 	SND_PCI_QUIRK(0x1f4c, 0xe001, "Minisforum V3 (SE)", ALC245_FIXUP_BASS_HP_DAC),
-- 
2.47.3
Re: [PATCH] ALSA: hda/realtek: Limit mic boost on Positivo DN140
Posted by Takashi Iwai 2 weeks ago
On Sun, 24 May 2026 20:53:24 +0200,
Edson Juliano Drosdeck wrote:
> 
> The internal mic boost on the Positivo DN140 is too high.
> Fix this by applying the ALC269_FIXUP_LIMIT_INT_MIC_BOOST fixup to the machine
> to limit the gain.
> 
> Signed-off-by: Edson Juliano Drosdeck <edson.drosdeck@gmail.com>

Applied now.  Thanks.


Takashi