linux-kernel - [PATCH] [5/139] ALSA: hda: Use position_fix=1 for Acer Aspire 5538 to enable capture on internal mic

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Date:	Tue,  1 Feb 2011 16:43:18 -0800 (PST)
From:	Andi Kleen <andi@...stfloor.org>
To:	crimsun@...ntu.com, tiwai@...e.de, gregkh@...e.de,
	ak@...ux.intel.com, linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH] [5/139] ALSA: hda: Use position_fix=1 for Acer Aspire 5538 to enable capture on internal mic

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Daniel T Chen <crimsun@...ntu.com>

commit dd5a089edfa51a74692604b4b427953d8e16bc35 upstream.

BugLink: https://launchpad.net/bugs/685161

The reporter of the bug states that he must use position_fix=1 to enable
capture for the internal microphone, so set it for his machine's PCI
SSID.  Verified using 2.6.35 and the 2010-12-04 alsa-driver build.

Reported-and-tested-by: Ralph Wabel <rwabel@....net>
Signed-off-by: Daniel T Chen <crimsun@...ntu.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 sound/pci/hda/hda_intel.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.35.y/sound/pci/hda/hda_intel.c
===================================================================
--- linux-2.6.35.y.orig/sound/pci/hda/hda_intel.c
+++ linux-2.6.35.y/sound/pci/hda/hda_intel.c
@@ -2291,6 +2291,7 @@ static int azx_dev_free(struct snd_devic
  */
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", 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),
--
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