SRU - LP #293271 - UBUNTU: SAUCE: ALSA: hda: make a STAC_DELL_EQ option (version 2)

[Tim Gardner]

>From fd14aa2eecbcbabef5b20654e0c90e6a3227eb16 Mon Sep 17 00:00:00 2001
From: Tim Gardner <tim.gardner at canonical.com>
Date: Tue, 4 Nov 2008 13:43:47 -0700
Subject: [PATCH] UBUNTU: SAUCE: ALSA: hda: make a STAC_DELL_EQ option (version 2)
 OriginalAuthor: Matthew Ranostay <mranostay at embeddedalley.com>
 Bug: #293271

Add support for explicitly enabling the EQ distortion hack for
systems without software biquad support.

Backported from 2.6.28-rc3 6b3ab21ef1ac15db4b053ce0ba8eae0ef9361c8a
by  Matthew Ranostay.

Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
---
 sound/pci/hda/patch_sigmatel.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f3da621..732ce13 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -67,6 +67,7 @@ enum {
 enum {
 	STAC_92HD73XX_REF,
 	STAC_DELL_M6,
+	STAC_DELL_EQ,
 	STAC_92HD73XX_MODELS
 };
 
@@ -560,9 +561,7 @@ static struct hda_verb dell_eq_core_init[] = {
 };
 
 static struct hda_verb dell_m6_core_init[] = {
-	/* set master volume to max value without distortion
-	 * and direct control */
-	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xec},
+	{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
 	/* setup audio connections */
 	{ 0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{ 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01},
@@ -1297,11 +1296,13 @@ static unsigned int dell_m6_pin_configs[13] = {
 static unsigned int *stac92hd73xx_brd_tbl[STAC_92HD73XX_MODELS] = {
 	[STAC_92HD73XX_REF]	= ref92hd73xx_pin_configs,
 	[STAC_DELL_M6]	= dell_m6_pin_configs,
+	[STAC_DELL_EQ]	= dell_m6_pin_configs,
 };
 
 static const char *stac92hd73xx_models[STAC_92HD73XX_MODELS] = {
 	[STAC_92HD73XX_REF] = "ref",
 	[STAC_DELL_M6] = "dell-m6",
+	[STAC_DELL_EQ] = "dell-eq",
 };
 
 static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = {
@@ -3560,8 +3561,12 @@ again:
 	spec->gpio_data = 0x01;
 
 	switch (spec->board_config) {
-	case STAC_DELL_M6:
+	case STAC_DELL_EQ:
 		spec->init = dell_eq_core_init;
+		/* fallthru */
+	case STAC_DELL_M6:
+		if (!spec->init)
+			spec->init = dell_m6_core_init;
 		switch (codec->subsystem_id) {
 		case 0x1028025e: /* Analog Mics */
 		case 0x1028025f:
@@ -3570,8 +3575,6 @@ again:
 			break;
 		case 0x10280271: /* Digital Mics */
 		case 0x10280272:
-			spec->init = dell_m6_core_init;
-			/* fall-through */
 		case 0x10280254:
 		case 0x10280255:
 			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
-- 
1.5.6.3