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ALSA: hda - Fix silent output on ASUS A6Rp

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The refactoring of Realtek codec driver in 3.2 kernel caused a
regression for ASUS A6Rp laptop; it doesn't give any output.
The reason was that this machine has a secret master mute (or EAPD)
control via NID 0x0f VREF.  Setting VREF50 on this node makes the
sound working again.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42588

Cc: <stable@kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-01-25 09:55:46 +01:00
parent 769fab2a41
commit 3b25eb690e
1 changed files with 10 additions and 0 deletions
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10
sound/pci/hda/patch_realtek.c
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@ -5586,6 +5586,7 @@ static const struct hda_amp_list alc861_loopbacks[] = {
/* Pin config fixes */
enum {
PINFIX_FSC_AMILO_PI1505,
PINFIX_ASUS_A6RP,
};
static const struct alc_fixup alc861_fixups[] = {
@ -5597,9 +5598,18 @@ static const struct alc_fixup alc861_fixups[] = {
{ }
}
},
[PINFIX_ASUS_A6RP] = {
.type = ALC_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
/* node 0x0f VREF seems controlling the master output */
{ 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF50 },
{ }
},
},
};
static const struct snd_pci_quirk alc861_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1393, "ASUS A6Rp", PINFIX_ASUS_A6RP),
SND_PCI_QUIRK(0x1734, 0x10c7, "FSC Amilo Pi1505", PINFIX_FSC_AMILO_PI1505),
{}
};