[alsa-devel] [PATCH] ALSA: hda: Use LPIB for Acer Aspire 5110

[Takashi Iwai]

At Sat, 22 May 2010 12:18:48 -0400,
Daniel Chen wrote:
> 
> Hi,
> 
> Attached please find a patch against sound-2.6 master HEAD specifying
> the LPIB quirk for an additional SSID to make capture work correctly
> in an installed distribution.
> 
> This patch is applicable to 2.6.32, 2.6.33, and 2.6.34 stable trees
> (some with fuzz).

Applied.  Thanks.


Takashi

> 
> Best,
> -Dan
> [2 0001-ALSA-hda-Use-LPIB-for-Acer-Aspire-5110.patch <text/x-patch; US-ASCII (base64)>]
> From 8f04e364aa28b49cc9d33cb51ea9e6d53f5d02d8 Mon Sep 17 00:00:00 2001
> From: Daniel T Chen <crimsun at ubuntu.com>
> Date: Sat, 22 May 2010 12:05:41 -0400
> Subject: [PATCH] ALSA: hda: Use LPIB for Acer Aspire 5110
> 
> BugLink: https://launchpad.net/bugs/583983
> 
> Symptom: on a significant number of hardware, booting from a live cd
> results in capture working correctly, but once the distribution is
> installed, booting from the install results in capture not working.
> 
> Test case: boot from Ubuntu 10.04 LTS live cd; capture works correctly.
> Install to HD and reboot; capture does not work. Reproduced with 2.6.32
> mainline build (vanilla kernel.org compile).
> 
> Resolution: add SSID for Acer Aspire 5110 to the position_fix quirk
> table, explicitly specifying the LPIB method.
> 
> I'll be sending additional patches for these SSIDs as bug reports are
> confirmed.
> 
> Reported-and-Tested-By: Leo
> Cc: <stable at kernel.org>
> Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
> ---
>  sound/pci/hda/hda_intel.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index 170610e..ec554fc 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -2279,6 +2279,7 @@ static int azx_dev_free(struct snd_device *device)
>   * white/black-listing for position_fix
>   */
>  static struct snd_pci_quirk position_fix_list[] __devinitdata = {
> +	SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
> -- 
> 1.7.0.4
>