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ALSA: hda - Limit internal mic boost for a few Asus machines

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These are being reported as being so noisy at high mic boost levels,
so they are unusable in practice.
Therefore artificially limit the boosts.

BugLink: https://bugs.launchpad.net/bugs/1089795
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2013-04-22 14:30:14 +02:00 committed by Takashi Iwai
parent b5f035dbca
commit 3e0d611b20
1 changed files with 41 additions and 1 deletions
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42
sound/pci/hda/patch_realtek.c
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@ -3156,6 +3156,38 @@ static void alc271_hp_gate_mic_jack(struct hda_codec *codec,
}
}
static void alc269_fixup_limit_int_mic_boost(struct hda_codec *codec,
const struct hda_fixup *fix,
int action)
{
struct alc_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->gen.autocfg;
int i;
/* The mic boosts on level 2 and 3 are too noisy
on the internal mic input.
Therefore limit the boost to 0 or 1. */
if (action != HDA_FIXUP_ACT_PROBE)
return;
for (i = 0; i < cfg->num_inputs; i++) {
hda_nid_t nid = cfg->inputs[i].pin;
unsigned int defcfg;
if (cfg->inputs[i].type != AUTO_PIN_MIC)
continue;
defcfg = snd_hda_codec_get_pincfg(codec, nid);
if (snd_hda_get_input_pin_attr(defcfg) != INPUT_PIN_ATTR_INT)
continue;
snd_hda_override_amp_caps(codec, nid, HDA_INPUT,
(0x00 << AC_AMPCAP_OFFSET_SHIFT) |
(0x01 << AC_AMPCAP_NUM_STEPS_SHIFT) |
(0x2f << AC_AMPCAP_STEP_SIZE_SHIFT) |
(0 << AC_AMPCAP_MUTE_SHIFT));
}
}
enum {
ALC269_FIXUP_SONY_VAIO,
ALC275_FIXUP_SONY_VAIO_GPIO2,
@ -3190,6 +3222,7 @@ enum {
ALC271_FIXUP_AMIC_MIC2,
ALC271_FIXUP_HP_GATE_MIC_JACK,
ALC269_FIXUP_ACER_AC700,
ALC269_FIXUP_LIMIT_INT_MIC_BOOST,
};
static const struct hda_fixup alc269_fixups[] = {
@ -3428,6 +3461,10 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC271_FIXUP_DMIC,
},
[ALC269_FIXUP_LIMIT_INT_MIC_BOOST] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc269_fixup_limit_int_mic_boost,
},
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@ -3458,11 +3495,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x1973, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK(0x103c, 0x1983, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK_VENDOR(0x103c, "HP", ALC269_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC),
SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC),
SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x1c23, "Asus X55U", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x834a, "ASUS S101", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC),