linux-kernel - [34-longterm 060/209] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls

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Date:	Thu, 14 Apr 2011 13:41:30 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	stable@...nel.org, linux-kernel@...r.kernel.org
Cc:	stable-review@...nel.org, Daniel T Chen <crimsun@...ntu.com>,
	Takashi Iwai <tiwai@...e.de>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [34-longterm 060/209] ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls

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

  =====================================================================
  | This is a commit scheduled for the next v2.6.34 longterm release. |
  | If you see a problem with using this for longterm, please comment.|
  =====================================================================

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: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 sound/pci/intel8x0.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 4677492..ebfa1f8 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1866,6 +1866,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 	},
 	{
 		.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
-- 
1.7.4.4

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