[alsa-devel] No sound on Quanta KN1 with kernel 3.4

[Takashi Iwai]

At Wed, 18 Apr 2012 19:33:35 +0200,
Uros Vampl wrote:
> 
> On 18.04.12 18:41, Takashi Iwai wrote:
> > Ah, does it affect both?
> > What happens if you change the pin 0x10?  Does it affect the headphone
> > or speaker output?
> 
> Pin 0x0f affects both. Pin 0x10 affects neither.
> 
> > Does the headphone output work with 3.4 kernel at all?
> 
> No. I always tested both speakers and headphones with each patch (and 
> without patches). There was never any sound from either of the two.

OK.  This explains lots.

> > Also, just to be sure, try the patch below in addition to another.
> > This will disable the COEF setup, and it wasn't applied to previous
> > models.
> 
> This patch does the trick! First I tried it with the patch that deletes 
> two lines from hda_codec.c, worked already, but there was no Speaker 
> control. Then I instead tried with the patch that sets pin 0x0f. Sound 
> works and I have a Speaker control. Interesting thing though, the 
> Headphone control does nothing and the Speaker control affects both 
> speakers and headphones. Maybe pin 0x10 is bogus too.
> 
> Also interesting, the Auto-Mute control does nothing. No matter what 
> it's set to, when I plug in headphones the speakers go silent. It seems 
> the machine has hardware auto-mute handling.
> 
> Thank you for your work, I now have sound again!

The patch below is the integrated fix patch.
Try this one instead of the all previous fixes.
Again with this patch, you'll have only "Master" volume, as both
speaker and headphone share the same pin, thus no individual amps are
present.

Hopefully this works for you.


Takashi

---
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2508f81..e65e354 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1445,6 +1445,13 @@ enum {
 	ALC_FIXUP_ACT_BUILD,
 };
 
+static void alc_apply_pincfgs(struct hda_codec *codec,
+			      const struct alc_pincfg *cfg)
+{
+	for (; cfg->nid; cfg++)
+		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
+}
+
 static void alc_apply_fixup(struct hda_codec *codec, int action)
 {
 	struct alc_spec *spec = codec->spec;
@@ -1478,9 +1485,7 @@ static void alc_apply_fixup(struct hda_codec *codec, int action)
 			snd_printdd(KERN_INFO "hda_codec: %s: "
 				    "Apply pincfg for %s\n",
 				    codec->chip_name, modelname);
-			for (; cfg->nid; cfg++)
-				snd_hda_codec_set_pincfg(codec, cfg->nid,
-							 cfg->val);
+			alc_apply_pincfgs(codec, cfg);
 			break;
 		case ALC_FIXUP_VERBS:
 			if (action != ALC_FIXUP_ACT_PROBE || !fix->v.verbs)
@@ -4861,6 +4866,7 @@ enum {
 	ALC260_FIXUP_GPIO1_TOGGLE,
 	ALC260_FIXUP_REPLACER,
 	ALC260_FIXUP_HP_B1900,
+	ALC260_FIXUP_KN1,
 };
 
 static void alc260_gpio1_automute(struct hda_codec *codec)
@@ -4888,6 +4894,36 @@ static void alc260_fixup_gpio1_toggle(struct hda_codec *codec,
 	}
 }
 
+static void alc260_fixup_kn1(struct hda_codec *codec,
+			     const struct alc_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	static const struct alc_pincfg pincfgs[] = {
+		{ 0x0f, 0x02214000 }, /* HP/speaker */
+		{ 0x12, 0x90a60160 }, /* int mic */
+		{ 0x13, 0x02a19000 }, /* ext mic */
+		{ 0x18, 0x01446000 }, /* SPDIF out */
+		/* disable bogus I/O pins */
+		{ 0x10, 0x411111f0 },
+		{ 0x11, 0x411111f0 },
+		{ 0x14, 0x411111f0 },
+		{ 0x15, 0x411111f0 },
+		{ 0x16, 0x411111f0 },
+		{ 0x17, 0x411111f0 },
+		{ 0x19, 0x411111f0 },
+		{ }
+	};
+
+	switch (action) {
+	case ALC_FIXUP_ACT_PRE_PROBE:
+		alc_apply_pincfgs(codec, pincfgs);
+		break;
+	case ALC_FIXUP_ACT_PROBE:
+		spec->init_amp = ALC_INIT_NONE;
+		break;
+	}
+}
+
 static const struct alc_fixup alc260_fixups[] = {
 	[ALC260_FIXUP_HP_DC5750] = {
 		.type = ALC_FIXUP_PINS,
@@ -4938,7 +4974,11 @@ static const struct alc_fixup alc260_fixups[] = {
 		.v.func = alc260_fixup_gpio1_toggle,
 		.chained = true,
 		.chain_id = ALC260_FIXUP_COEF,
-	}
+	},
+	[ALC260_FIXUP_KN1] = {
+		.type = ALC_FIXUP_FUNC,
+		.v.func = alc260_fixup_kn1,
+	},
 };
 
 static const struct snd_pci_quirk alc260_fixup_tbl[] = {
@@ -4948,6 +4988,7 @@ static const struct snd_pci_quirk alc260_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x280a, "HP dc5750", ALC260_FIXUP_HP_DC5750),
 	SND_PCI_QUIRK(0x103c, 0x30ba, "HP Presario B1900", ALC260_FIXUP_HP_B1900),
 	SND_PCI_QUIRK(0x1509, 0x4540, "Favorit 100XS", ALC260_FIXUP_GPIO1),
+	SND_PCI_QUIRK(0x152d, 0x0729, "Quanta KN1", ALC260_FIXUP_KN1),
 	SND_PCI_QUIRK(0x161f, 0x2057, "Replacer 672V", ALC260_FIXUP_REPLACER),
 	SND_PCI_QUIRK(0x1631, 0xc017, "PB V7900", ALC260_FIXUP_COEF),
 	{}