From: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
This fixes the pop noises that can be heard at boot time if the
headphone jack is plugged in or when inserting/removing the jack.
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
---
sound/pci/hda/patch_realtek.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 62fbf3772b41..fa9878daa3bb 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6780,6 +6780,23 @@ static void alc256_fixup_mic_no_presence_and_resume(struct hda_codec *codec,
}
}
+static void alc_fixup_dell4_mic_vref(struct hda_codec *codec,
+ const struct hda_fixup *fix,
+ int action)
+{
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ /**
+ * Set the vref of pin 0x19 (Headset Mic) and pin 0x1b (Headphone Mic)
+ * to Hi-Z to avoid pop noises at startup and when plugging and
+ * unplugging headphones/speakers.
+ */
+ snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ);
+ snd_hda_codec_set_pin_target(codec, 0x1b, PIN_VREFHIZ);
+ break;
+ }
+}
+
enum {
ALC269_FIXUP_GPIO2,
ALC269_FIXUP_SONY_VAIO,
@@ -7011,6 +7028,7 @@ enum {
ALC245_FIXUP_CS35L41_SPI_4,
ALC245_FIXUP_CS35L41_SPI_4_HP_GPIO_LED,
ALC285_FIXUP_HP_SPEAKERS_MICMUTE_LED,
+ ALC269_FIXUP_DELL4_MIC_NO_PRESENCE_VREF,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -8799,6 +8817,12 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC285_FIXUP_HP_MUTE_LED,
},
+ [ALC269_FIXUP_DELL4_MIC_NO_PRESENCE_VREF] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_dell4_mic_vref,
+ .chained = true,
+ .chain_id = ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -8889,6 +8913,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x09bf, "Dell Precision", ALC233_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0a2e, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1028, 0x0a30, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1028, 0x0a38, "Dell Latitude 7520", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE_VREF),
SND_PCI_QUIRK(0x1028, 0x0a58, "Dell", ALC255_FIXUP_DELL_HEADSET_MIC),
SND_PCI_QUIRK(0x1028, 0x0a61, "Dell XPS 15 9510", ALC289_FIXUP_DUAL_SPK),
SND_PCI_QUIRK(0x1028, 0x0a62, "Dell Precision 5560", ALC289_FIXUP_DUAL_SPK),
--
2.36.0
