recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.2/0094-ALSA-HDA-Use-LPIB-position-fix-for-Macbook-Pro-7-1.patch

   1 From a8cd5ec584f74044ccca71a50312fac4e69f4d64 Mon Sep 17 00:00:00 2001
   2 From: David Henningsson <david.henningsson@canonical.com>
   3 Date: Thu, 12 Jan 2012 16:31:14 +0100
   4 Subject: [PATCH 094/129] ALSA: HDA: Use LPIB position fix for Macbook Pro 7,1
   5
   6 commit b01de4fb40137fbda7530550ff0cd37171dafb0c upstream.
   7
   8 Several users have reported "choppy" audio under the 3.2 kernel,
   9 and that changing position_fix to 1 has resolved their problem.
  10 The chip is an nVidia Corporation MCP89 High Definition Audio,
  11 [10de:0d94] (rev a2).
  12
  13 BugLink: https://bugs.launchpad.net/bugs/909419
  14 Signed-off-by: David Henningsson <david.henningsson@canonical.com>
  15 Signed-off-by: Takashi Iwai <tiwai@suse.de>
  16 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
  17 ---
  18  sound/pci/hda/hda_intel.c |    1 +
  19  1 file changed, 1 insertion(+)
  20
  21 diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
  22 index c2f79e6..5b2b75b 100644
  23 --- a/sound/pci/hda/hda_intel.c
  24 +++ b/sound/pci/hda/hda_intel.c
  25 @@ -2509,6 +2509,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
  26         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
  27         SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
  28         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
  29 +       SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
  30         SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
  31         SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
  32         SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
  33 --
  34 1.7.9.5
  35