Add some special handling for AD1986A codec:

Disable some unneeded pathes in overcomplicated input mixer to help parser
to handle the rest better. This gives mic input boost control in some
configurations and just more predictable operation in others.

1 files changed, 27 insertions, 1 deletions

diff --git a/sys/dev/sound/pci/hda/hdac.c b/sys/dev/sound/pci/hda/hdac.c
index 720429d..d1b5859 100644
--- a/sys/dev/sound/pci/hda/hdac.c
+++ b/sys/dev/sound/pci/hda/hdac.c
@@ -83,7 +83,7 @@
 
 #include "mixer_if.h"
 
-#define HDA_DRV_TEST_REV	"20081223_0121"
+#define HDA_DRV_TEST_REV	"20081226_0122"
 
 SND_DECLARE_FILE("$FreeBSD$");
 
@@ -4548,6 +4548,32 @@ hdac_vendor_patch_parse(struct hdac_devinfo *devinfo)
 		 */
 		break;
 	case HDA_CODEC_AD1986A:
+		/*
+		 * This codec has overcomplicated input mixing.
+		 * Make some cleaning there.
+		 */
+		/* Disable input mono mixer. Not needed and not supported. */
+		w = hdac_widget_get(devinfo, 43);
+		if (w != NULL)
+			w->enable = 0;
+		/* Disable any with any input mixing mesh. Use separately. */
+		w = hdac_widget_get(devinfo, 39);
+		if (w != NULL)
+			w->enable = 0;
+		w = hdac_widget_get(devinfo, 40);
+		if (w != NULL)
+			w->enable = 0;
+		w = hdac_widget_get(devinfo, 41);
+		if (w != NULL)
+			w->enable = 0;
+		w = hdac_widget_get(devinfo, 42);
+		if (w != NULL)
+			w->enable = 0;
+		/* Disable duplicate mixer node connector. */
+		w = hdac_widget_get(devinfo, 15);
+		if (w != NULL)
+			w->connsenable[3] = 0;
+
 		if (subvendor == ASUS_A8X_SUBVENDOR) {
 			/*
 			 * This is just plain ridiculous.. There