[alsa-devel] [PATCH] ALSA: intel8x0: Fix default inaudible sound on Gateway M520

[Takashi Iwai]

At Mon, 13 Feb 2012 23:44:22 -0500,
Dan Chen wrote:
> 
> Hi Takashi,
> 
> Attached please find a patch against current sound.git head that
> resolves a user's default inaudible sound on the Gateway M520. It's
> applicable to stable kernel trees, too. Thanks for considering the
> patch. Cheers.

Applied now.  Thanks.


Takashi


> 
> -Dan
> [2 0001-ALSA-intel8x0-Fix-default-inaudible-sound-on-Gateway.patch <text/x-patch; US-ASCII (base64)>]
> From 5bb434bd469cc00166ee77386d936093fe7f6153 Mon Sep 17 00:00:00 2001
> From: Daniel T Chen <crimsun at ubuntu.com>
> Date: Mon, 13 Feb 2012 23:34:21 -0500
> Subject: [PATCH] ALSA: intel8x0: Fix default inaudible sound on Gateway M520
> 
> BugLink: https://bugs.launchpad.net/bugs/930842
> 
> The reporter states that audio is inaudible by default without muting
> 'External Amplifier'. Add a quirk to handle his SSID so that changing
> the control is not necessary.
> 
> Reported-and-tested-by: Benjamin Carlson <elderbubba0810 at gmail.com>
> Cc: <stable at kernel.org>
> Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
> ---
>  sound/pci/intel8x0.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
> index 9f3b01b..e0a4263 100644
> --- a/sound/pci/intel8x0.c
> +++ b/sound/pci/intel8x0.c
> @@ -2102,6 +2102,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
>  	},
>  	{
>  		.subvendor = 0x161f,
> +		.subdevice = 0x202f,
> +		.name = "Gateway M520",
> +		.type = AC97_TUNE_INV_EAPD
> +	},
> +	{
> +		.subvendor = 0x161f,
>  		.subdevice = 0x203a,
>  		.name = "Gateway 4525GZ",		/* AD1981B */
>  		.type = AC97_TUNE_INV_EAPD
> -- 
> 1.7.9
>