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Commit 145a902b authored by David Henningsson's avatar David Henningsson Committed by Takashi Iwai
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ALSA: HDA: Enable internal speaker on Dell M101z 

BugLink: http://launchpad.net/bugs/640254



In some cases a magic processing coefficient is needed to enable
the internal speaker on Dell M101z. According to Realtek, this
processing coefficient is only present on ALC269vb.

Cc: stable@kernel.org
Signed-off-by: default avatarDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 38943358

sound/pci/hda/patch_realtek.c

+10 −0
Original line number Original line Diff line number Diff line
@@ -14453,6 +14453,7 @@ static void alc269_auto_init(struct hda_codec *codec) 
















enum {







enum {











	ALC269_FIXUP_SONY_VAIO,







	ALC269_FIXUP_SONY_VAIO,














	ALC269_FIXUP_DELL_M101Z,











};







};



























static const struct hda_verb alc269_sony_vaio_fixup_verbs[] = {







static const struct hda_verb alc269_sony_vaio_fixup_verbs[] = {









@@ -14464,11 +14465,20 @@ static const struct alc_fixup alc269_fixups[] = {









	[ALC269_FIXUP_SONY_VAIO] = {







	[ALC269_FIXUP_SONY_VAIO] = {











		.verbs = alc269_sony_vaio_fixup_verbs







		.verbs = alc269_sony_vaio_fixup_verbs











	},







	},














	[ALC269_FIXUP_DELL_M101Z] = {














		.verbs = (const struct hda_verb[]) {














			/* Enables internal speaker */














			{0x20, AC_VERB_SET_COEF_INDEX, 13},














			{0x20, AC_VERB_SET_PROC_COEF, 0x4040},














			{}














		}














	},











};







};



























static struct snd_pci_quirk alc269_fixup_tbl[] = {







static struct snd_pci_quirk alc269_fixup_tbl[] = {











	SND_PCI_QUIRK(0x104d, 0x9071, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),







	SND_PCI_QUIRK(0x104d, 0x9071, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),











	SND_PCI_QUIRK(0x104d, 0x9077, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),







	SND_PCI_QUIRK(0x104d, 0x9077, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),














	SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),











	{}







	{}











};







};