W dniu 10.05.2019 o 23:52, Michał Wadowski pisze:
I prepared patch for this bug:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1524215
I tested this patch on Linux 5.1.0 and it fixes problem on my Lenovo
B50-70 laptop.
Sorry, I forgot attach the patch
commit 450484025b7051c8c078e95e906d7133967b9c36
Author: MichaÅ? Wadowski <wadosm@xxxxxxxxx>
Date: Thu May 9 16:02:23 2019 +0200
Fix for Lenovo B50-70 inverted internal microphone bug.
Ref: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1524215
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 42cd394..36c18a5 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5676,6 +5676,7 @@ enum {
ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE,
ALC233_FIXUP_LENOVO_MULTI_CODECS,
ALC233_FIXUP_ACER_HEADSET_MIC,
+ ALC233_FIXUP_INV_DMIC,
ALC294_FIXUP_LENOVO_MIC_LOCATION,
ALC225_FIXUP_DELL_WYSE_MIC_NO_PRESENCE,
ALC700_FIXUP_INTEL_REFERENCE,
@@ -6384,6 +6385,10 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc233_fixup_lenovo_line2_mic_hotkey,
},
+ [ALC233_FIXUP_INV_DMIC] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_inv_dmic,
+ },
[ALC255_FIXUP_DELL_SPK_NOISE] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_disable_aamix,
@@ -6975,6 +6980,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
+ SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC233_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC),
@@ -7157,6 +7163,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
{.id = ALC256_FIXUP_ASUS_AIO_GPIO2, .name = "alc256-asus-aio"},
{.id = ALC233_FIXUP_ASUS_MIC_NO_PRESENCE, .name = "alc233-asus"},
{.id = ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE, .name = "alc233-eapd"},
+ {.id = ALC233_FIXUP_INV_DMIC, .name = "acl233-inv-dmic"},
{.id = ALC294_FIXUP_LENOVO_MIC_LOCATION, .name = "alc294-lenovo-mic"},
{.id = ALC225_FIXUP_DELL_WYSE_MIC_NO_PRESENCE, .name = "alc225-wyse"},
{.id = ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, .name = "alc274-dell-aio"},
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