[alsa-devel] [PATCH] ALSA: HDA: Use LPIB position fix for Macbook Pro 7, 1

[Takashi Iwai]

At Thu, 12 Jan 2012 16:31:14 +0100,
David Henningsson wrote:
> 
> Several users have reported "choppy" audio under the 3.2 kernel,
> and that changing position_fix to 1 has resolved their problem.
> The chip is an nVidia Corporation MCP89 High Definition Audio,
> [10de:0d94] (rev a2).
> 
> Cc: stable at kernel.org (v3.2+)
> BugLink: https://bugs.launchpad.net/bugs/909419
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>

Applied now.  Thanks.


Takashi


> ---
>  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 bd447b6..2e1c063 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -2500,6 +2500,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
>  	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
> +	SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
>  	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
> -- 
> 1.7.5.4
>