@Vadim,
since I can't reproduce the noise you mentioned, I can't verify this
patch.
Could you please build a kernel with the patch below and do a test?
thanks.
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index aee4cbd29d53..e20cf752ce76 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5582,6 +5582,7 @@ enum {
ALC294_FIXUP_ASUS_HEADSET_MIC,
ALC294_FIXUP_ASUS_SPK,
ALC225_FIXUP_HEADSET_JACK,
+ ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -6522,6 +6523,17 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_headset_jack,
},
+ [ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE] = {
+ .type = HDA_FIXUP_VERBS,
+ .v.verbs = (const struct hda_verb[]) {
+ /* Set EAPD high */
+ { 0x20, AC_VERB_SET_COEF_INDEX, 0x36 },
+ { 0x20, AC_VERB_SET_PROC_COEF, 0x57d7 },
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC285_FIXUP_LENOVO_HEADPHONE_NOISE
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7205,7 +7217,7 @@ static const struct snd_hda_pin_quirk
alc269_pin_fixup_tbl[] = {
{0x12, 0x90a60130},
{0x19, 0x03a11020},
{0x21, 0x0321101f}),
- SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo",
ALC285_FIXUP_LENOVO_HEADPHONE_NOISE,
+ SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo",
ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE,
{0x12, 0x90a60130},
{0x14, 0x90170110},
{0x19, 0x04a11040},
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1805079
Title:
click/pop noise in the headphone on several lenovo laptops
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Cosmic:
Fix Committed
Bug description:
[Impact]
Lenovo told us that some linux uers reported headphone noise on Lenovo's
website. After investigating, we found those Lenovo laptop mdoels all
have the codec of alc285, and we can reproduce the noise problem too.
[Fix]
Don't use the DAC of headphone, let headphone share the DAC with speaker,
the noise disappears.
[Test Case]
After applying this patch, we tested on Lenovo P52, P72, X1 carbon and X1
Yoda2, no noise anymore
[Regression Potential]
Low. This patch only apply to several lenovo machines, and after applying
this patch, both speaker and headphone still work very well.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805079/+subscriptions
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