[alsa-devel] [PATCH] Enable HP output on nVidia Corporation MCP79 HDA (rev b1) (Macbook Pro 5, 5)

[Stelian Pop]

Hi,

The patch below, to be applied on the latest sound-unstable-2.6.git,
enables headphones output on my MacBookPro 5,5, together with the
automuting feature.

Here is the exact soundcard id:
	Vendor Id: 0x10134206
	Subsystem Id: 0x106b4d00
	Revision Id: 0x100301

Thanks for the previous efforts to make this work !

Stelian.

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index f552738..09be633 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -832,6 +832,12 @@ static void cs_automute(struct hda_codec *codec)
 				    AC_VERB_SET_PIN_WIDGET_CONTROL,
 				    hp_present ? 0 : PIN_OUT);
 	}
+	if (spec->board_config == CS420X_MBP55) {
+		if (hp_present)
+			snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, 0x2);
+		else
+			snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, 0x8);
+	}
 }
 
 static void cs_automic(struct hda_codec *codec)
@@ -1133,10 +1139,10 @@ static int patch_cs420x(struct hda_codec *codec)
 
 	switch (spec->board_config) {
 	case CS420X_MBP55:
-		/* GPIO3 = EAPD? */
-		spec->gpio_mask = 0x08;
-		spec->gpio_dir = 0x08;
-		spec->gpio_data = 0x08;
+		/* GPIO1 = headphones */
+		/* GPIO3 = speakers */
+		spec->gpio_mask = 0x0a;
+		spec->gpio_dir = 0x0a;
 		break;
 	}
 

-- 
Stelian Pop <stelian at popies.net>