[alsa-devel] [PATCH] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls

[Takashi Iwai]

At Thu, 11 Nov 2010 09:38:18 +0100,
David Henningsson wrote:
> 
> BugLink: https://launchpad.net/bugs/669279
> 
> The original reporter states: "The Master mixer does not change the
> volume from the headphone output (which is affected by the headphone
> mixer). Instead it only seems to control the on-board speaker volume.
> This confuses PulseAudio greatly as the Master channel is merged into
> the volume mix."
> 
> Fix this symptom by applying the hp_only quirk for the reporter's SSID.
> The fix is applicable to all stable kernels.
> 
> Reported-and-tested-by: Ben Gamari <bgamari at gmail.com>
> Cc: <stable at kernel.org> [2.6.32+]
> Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>

Applied now.  Thanks.


Takashi

> 
> -- 
> David Henningsson, Canonical Ltd.
> http://launchpad.net/~diwic
> [2 0001-ALSA-ac97-Apply-quirk-for-Dell-Latitude-D610-binding.patch <text/x-patch (7bit)>]
> >From a2908e28990953d6b1310b15bc935307a1156d6c Mon Sep 17 00:00:00 2001
> From: Daniel T Chen <crimsun at ubuntu.com>
> Date: Mon, 1 Nov 2010 01:14:51 -0400
> Subject: [PATCH] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls
> 
> BugLink: https://launchpad.net/bugs/669279
> 
> The original reporter states: "The Master mixer does not change the
> volume from the headphone output (which is affected by the headphone
> mixer). Instead it only seems to control the on-board speaker volume.
> This confuses PulseAudio greatly as the Master channel is merged into
> the volume mix."
> 
> Fix this symptom by applying the hp_only quirk for the reporter's SSID.
> The fix is applicable to all stable kernels.
> 
> Reported-and-tested-by: Ben Gamari <bgamari at gmail.com>
> Cc: <stable at kernel.org> [2.6.32+]
> 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 4677492..ebfa1f8 100644
> --- a/sound/pci/intel8x0.c
> +++ b/sound/pci/intel8x0.c
> @@ -1866,6 +1866,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
>  	},
>  	{
>  		.subvendor = 0x1028,
> +		.subdevice = 0x0182,
> +		.name = "Dell Latitude D610",	/* STAC9750/51 */
> +		.type = AC97_TUNE_HP_ONLY
> +	},
> +	{
> +		.subvendor = 0x1028,
>  		.subdevice = 0x0186,
>  		.name = "Dell Latitude D810", /* cf. Malone #41015 */
>  		.type = AC97_TUNE_HP_MUTE_LED
> -- 
> 1.7.1
>