At Thu, 16 Sep 2010 10:16:10 +0200, David Henningsson wrote:

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.

Signed-off-by: David Henningsson david.henningsson@canonical.com

ALC269v codecs have really magic sequences. Recently another magic COEF stuff was merged, too :)

Applied now. Thanks.

Takashi

-- David Henningsson, Canonical Ltd. http://launchpad.net/~diwic [2 0001-ALSA-HDA-Enable-internal-speaker-on-Dell-M101z.patch <text/x-patch (7bit)>]

...

From 363739d6b5eefb44a0cbbf44c390f8fcd01a6e58 Mon Sep 17 00:00:00 2001

From: David Henningsson david.henningsson@canonical.com Date: Thu, 16 Sep 2010 10:07:53 +0200 Subject: [PATCH] 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

---

sound/pci/hda/patch_realtek.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index ab2947d..2063d0f 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -14671,6 +14671,7 @@ static int alc269_resume(struct hda_codec *codec)

enum { ALC269_FIXUP_SONY_VAIO,

• ALC269_FIXUP_DELL_M101Z,

};

static const struct alc_fixup alc269_fixups[] = { @@ -14680,11 +14681,20 @@ static const struct alc_fixup alc269_fixups[] = { {} } },

• [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), {}

};

-- 1.7.1

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