--- kernel-source-alsa-1.0.1/alsa-kernel/include/ac97_codec.h.ac97-quirk	2003-12-03 16:39:06 +0300
+++ kernel-source-alsa-1.0.1/alsa-kernel/include/ac97_codec.h	2004-01-09 15:17:12 +0300
@@ -461,6 +461,8 @@
 
 /* quirk types */
 enum {
+	AC97_TUNE_DEFAULT = -1,	/* use default from quirk list (not valid in list) */
+	AC97_TUNE_NONE = 0,	/* nothing extra to do */
 	AC97_TUNE_HP_ONLY,	/* headphone (true line-out) control as master only */
 	AC97_TUNE_SWAP_HP,	/* swap headphone and master controls */
 	AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
@@ -475,7 +477,7 @@
 	int type;		/* quirk type above */
 };
 
-int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk);
+int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override);
 int snd_ac97_set_rate(ac97_t *ac97, int reg, unsigned short rate);
 
 int snd_ac97_pcm_assign(ac97_bus_t *ac97,
--- kernel-source-alsa-1.0.1/alsa-kernel/pci/ac97/ac97_codec.c.ac97-quirk	2003-12-03 21:44:32 +0300
+++ kernel-source-alsa-1.0.1/alsa-kernel/pci/ac97/ac97_codec.c	2004-01-09 15:16:07 +0300
@@ -2134,10 +2134,28 @@
 	return 0;
 }
 
+static int apply_quirk(ac97_t *ac97, int quirk)
+{
+	switch (quirk) {
+	case AC97_TUNE_NONE:
+		return 0;
+	case AC97_TUNE_HP_ONLY:
+		return swap_headphone(ac97, 1);
+	case AC97_TUNE_SWAP_HP:
+		return swap_headphone(ac97, 0);
+	case AC97_TUNE_SWAP_SURROUND:
+		return swap_surround(ac97);
+	case AC97_TUNE_AD_SHARING:
+		return tune_ad_sharing(ac97);
+	}
+	return -EINVAL;
+}
+
 /**
  * snd_ac97_tune_hardware - tune up the hardware
  * @ac97: the ac97 instance
  * @quirk: quirk list
+ * @override: explicit quirk value (overrides the list if not AC97_TUNE_DEFAULT)
  *
  * Do some workaround for each pci device, such as renaming of the
  * headphone (true line-out) control as "Master".
@@ -2146,28 +2164,29 @@
  * Returns zero if successful, or a negative error code on failure.
  */
 
-int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk)
+int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override)
 {
+	int result;
+
 	snd_assert(quirk, return -EINVAL);
 
+	if (override != AC97_TUNE_DEFAULT) {
+		result = apply_quirk(ac97, override);
+		if (result < 0)
+			snd_printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
+		return result;
+	}
+
 	for (; quirk->vendor; quirk++) {
 		if (quirk->vendor != ac97->subsystem_vendor)
 			continue;
 		if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
 		    quirk->device == (quirk->mask & ac97->subsystem_device)) {
 			snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
-			switch (quirk->type) {
-			case AC97_TUNE_HP_ONLY:
-				return swap_headphone(ac97, 1);
-			case AC97_TUNE_SWAP_HP:
-				return swap_headphone(ac97, 0);
-			case AC97_TUNE_SWAP_SURROUND:
-				return swap_surround(ac97);
-			case AC97_TUNE_AD_SHARING:
-				return tune_ad_sharing(ac97);
-			}
-			snd_printk(KERN_ERR "invalid quirk type %d for %s\n", quirk->type, quirk->name);
-			return -EINVAL;
+			result = apply_quirk(ac97, quirk->type);
+			if (result < 0)
+				snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
+			return result;
 		}
 	}
 	return 0;
--- kernel-source-alsa-1.0.1/alsa-kernel/pci/via82xx.c.ac97-quirk	2004-01-07 17:35:04 +0300
+++ kernel-source-alsa-1.0.1/alsa-kernel/pci/via82xx.c	2004-01-09 15:16:07 +0300
@@ -82,6 +82,7 @@
 static int joystick[SNDRV_CARDS];
 #endif
 static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 48000};
+static int ac97_quirk[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = AC97_TUNE_DEFAULT};
 static int dxs_support[SNDRV_CARDS];
 
 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
@@ -104,6 +105,9 @@
 MODULE_PARM(ac97_clock, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz).");
 MODULE_PARM_SYNTAX(ac97_clock, SNDRV_ENABLED ",default:48000");
+MODULE_PARM(ac97_quirk, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
+MODULE_PARM_SYNTAX(ac97_quirk, SNDRV_ENABLED ",default:-1");
 MODULE_PARM(dxs_support, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA)");
 MODULE_PARM_SYNTAX(dxs_support, SNDRV_ENABLED ",allows:{{0,4}},dialog:list");
@@ -1557,7 +1561,7 @@
 	{ } /* terminator */
 };
 
-static int __devinit snd_via82xx_mixer_new(via82xx_t *chip)
+static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, int ac97_quirk)
 {
 	ac97_bus_t bus;
 	ac97_t ac97;
@@ -1580,7 +1584,7 @@
 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
 		return err;
 
-	snd_ac97_tune_hardware(chip->ac97, ac97_quirks);
+	snd_ac97_tune_hardware(chip->ac97, ac97_quirks, ac97_quirk);
 
 	if (chip->chip_type != TYPE_VIA686) {
 		/* use slot 10/11 */
@@ -2088,7 +2092,7 @@
 		
 	if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0)
 		goto __error;
-	if ((err = snd_via82xx_mixer_new(chip)) < 0)
+	if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0)
 		goto __error;
 
 	if (chip_type == TYPE_VIA686) {
--- kernel-source-alsa-1.0.1/alsa-kernel/pci/intel8x0.c.ac97-quirk	2004-01-09 15:09:23 +0300
+++ kernel-source-alsa-1.0.1/alsa-kernel/pci/intel8x0.c	2004-01-09 15:18:16 +0300
@@ -69,6 +69,7 @@
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
 static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
+static int ac97_quirk[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = AC97_TUNE_DEFAULT};
 #ifdef SUPPORT_JOYSTICK
 static int joystick[SNDRV_CARDS];
 #endif
@@ -88,6 +89,9 @@
 MODULE_PARM(ac97_clock, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
 MODULE_PARM_SYNTAX(ac97_clock, SNDRV_ENABLED ",default:0");
+MODULE_PARM(ac97_quirk, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
+MODULE_PARM_SYNTAX(ac97_quirk, SNDRV_ENABLED ",default:-1");
 #ifdef SUPPORT_JOYSTICK
 MODULE_PARM(joystick, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(joystick, "Enable joystick for Intel i8x0 soundcard.");
@@ -1699,7 +1703,7 @@
 	{ } /* terminator */
 };
 
-static int __devinit snd_intel8x0_mixer(intel8x0_t *chip, int ac97_clock)
+static int __devinit snd_intel8x0_mixer(intel8x0_t *chip, int ac97_clock, int ac97_quirk)
 {
 	ac97_bus_t bus, *pbus;
 	ac97_t ac97, *x97;
@@ -1789,7 +1793,7 @@
 		chip->ac97[i] = x97;
 	}
 	/* tune up the primary codec */
-	snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks);
+	snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, ac97_quirk);
 	/* enable separate SDINs for ICH4 */
 	if (chip->device_type == DEVICE_INTEL_ICH4)
 		pbus->isdin = 1;
@@ -2536,7 +2540,7 @@
 		return err;
 	}
 
-	if ((err = snd_intel8x0_mixer(chip, ac97_clock[dev])) < 0) {
+	if ((err = snd_intel8x0_mixer(chip, ac97_clock[dev], ac97_quirk[dev])) < 0) {
 		snd_card_free(card);
 		return err;
 	}