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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: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2010-09-16 10:07:53 +02:00 committed by Takashi Iwai
parent 3894335876
commit 145a902bfe
1 changed files with 10 additions and 0 deletions
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10
sound/pci/hda/patch_realtek.c
View File

@ -14453,6 +14453,7 @@ static void alc269_auto_init(struct hda_codec *codec)
enum {
ALC269_FIXUP_SONY_VAIO,
ALC269_FIXUP_DELL_M101Z,
};
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] = {
.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[] = {
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(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
{}
};