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ALSA: hda - White noise fix for XPS13 9333 

Disable the AA-loopback path to get rid of the constant white noise
that can be heard when headphones are used.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Gabriele Mazzotta 2014-05-20 18:58:26 +02:00 committed by Takashi Iwai
parent f73387cb6b
commit 5e6db6699b
1 changed files with 18 additions and 1 deletions
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19
sound/pci/hda/patch_realtek.c
View File

@ -3970,6 +3970,16 @@ static void alc_fixup_no_shutup(struct hda_codec *codec,
}
}
static void alc_fixup_disable_aamix(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
struct alc_spec *spec = codec->spec;
/* Disable AA-loopback as it causes white noise */
spec->gen.mixer_nid = 0;
}
}
static void alc_fixup_headset_mode_alc668(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@ -5414,6 +5424,7 @@ enum {
ALC662_FIXUP_BASS_1A,
ALC662_FIXUP_BASS_CHMAP,
ALC668_FIXUP_AUTO_MUTE,
ALC668_FIXUP_DELL_DISABLE_AAMIX,
};
static const struct hda_fixup alc662_fixups[] = {
@ -5580,6 +5591,12 @@ static const struct hda_fixup alc662_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_inv_dmic_0x12,
},
[ALC668_FIXUP_DELL_DISABLE_AAMIX] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_disable_aamix,
.chained = true,
.chain_id = ALC668_FIXUP_DELL_MIC_NO_PRESENCE
},
[ALC668_FIXUP_AUTO_MUTE] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_auto_mute_via_amp,
@ -5640,7 +5657,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE),
SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x060a, "Dell XPS 13", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x060a, "Dell XPS 13", ALC668_FIXUP_DELL_DISABLE_AAMIX),
SND_PCI_QUIRK(0x1028, 0x0623, "Dell", ALC668_FIXUP_AUTO_MUTE),
SND_PCI_QUIRK(0x1028, 0x0624, "Dell", ALC668_FIXUP_AUTO_MUTE),
SND_PCI_QUIRK(0x1028, 0x0625, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),