linux-kernel - [PATCH] [113/223] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls

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Date:	Mon, 13 Dec 2010 00:46:54 +0100 (CET)
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] [113/223] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls

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

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

commit 0613a59456980161d0cd468bae6c63d772743102 upstream.

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@...il.com>
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/intel8x0.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux/sound/pci/intel8x0.c
===================================================================
--- linux.orig/sound/pci/intel8x0.c
+++ linux/sound/pci/intel8x0.c
@@ -1866,6 +1866,12 @@ static struct ac97_quirk ac97_quirks[] _
 	},
 	{
 		.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
--
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