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Commit 3b25eb69 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Fix silent output on ASUS A6Rp 

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 769fab2a

sound/pci/hda/patch_realtek.c

+10 −0
Original line number Diff line number Diff line
@@ -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),

	{}

};