[alsa-devel] [PATCH] ALSA: HDA: Enable internal speaker on Dell M101z

[Takashi Iwai]

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 at 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 at 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 at kernel.org
> Signed-off-by: David Henningsson <david.henningsson at 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
> 
> [3  <text/plain; us-ascii (7bit)>]
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