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authorDavid Henningsson <david.henningsson@canonical.com>2010-09-16 10:07:53 +0200
committerTakashi Iwai <tiwai@suse.de>2010-09-16 10:18:54 +0200
commit145a902bfeb1f89a41165bd2d1e633ce070bcb73 (patch)
treec4745645ba16a05280139f5539097c452c4d8ccc /sound
parent3894335876a6257ac46e14845bd37ae6fb0f7c87 (diff)
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_realtek.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bcbf9160ed81..a1312a6c8af2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -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),
{}
};

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