From: David Henningsson <david.henningsson@canonical.com>
To: alsa-devel@alsa-project.org
Subject: [PATCH] ALSA: HDA: Enable internal speaker on Dell M101z
Date: Thu, 16 Sep 2010 10:16:10 +0200 [thread overview]
Message-ID: <4C91D24A.4070005@canonical.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 358 bytes --]
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>
--
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic
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[-- Type: text/x-patch, Size: 1616 bytes --]
>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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next reply other threads:[~2010-09-16 8:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 8:16 David Henningsson [this message]
2010-09-16 8:20 ` [PATCH] ALSA: HDA: Enable internal speaker on Dell M101z Takashi Iwai
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