From 5195fe301edf62ff0c2226f04717d78f2caf3d61 Mon Sep 17 00:00:00 2001
From: Jacob Meuser <jakemsr@cvs.openbsd.org>
Date: Sun, 21 Dec 2008 20:47:56 +0000
Subject: if a widget is the sole connection to another widget, name the widget
 for the widget it's connected to.  but be a bit careful to not end up with
 duplicate mixer item names.

---
 sys/dev/pci/azalia.c | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'sys')

diff --git a/sys/dev/pci/azalia.c b/sys/dev/pci/azalia.c
index 80146a7f31c..c23d56de6ee 100644
--- a/sys/dev/pci/azalia.c
+++ b/sys/dev/pci/azalia.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: azalia.c,v 1.82 2008/12/21 20:44:04 jakemsr Exp $	*/
+/*	$OpenBSD: azalia.c,v 1.83 2008/12/21 20:47:55 jakemsr Exp $	*/
 /*	$NetBSD: azalia.c,v 1.20 2006/05/07 08:31:44 kent Exp $	*/
 
 /*-
@@ -1893,6 +1893,39 @@ azalia_widget_label_widgets(codec_t *codec)
 		if (codec->init_widget != NULL)
 			codec->init_widget(codec, w, w->nid);
 	}
+
+	/* Rename mixers and selectors that connect to only one other
+	 * widget as the widget they are connected to.
+	 */
+	FOR_EACH_WIDGET(codec, i) {
+		if (codec->w[i].type != COP_AWTYPE_AUDIO_MIXER &&
+		    codec->w[i].type != COP_AWTYPE_AUDIO_SELECTOR)
+			continue;
+		/* Special case.  A selector with outamp capabilities
+		 * and is connected to a single widget that has no
+		 * inamp capabilities.  This widget serves only to act
+		 * as the input amp for the widget it is connected to.
+		 */
+		j = -1;
+		if (codec->w[i].type == COP_AWTYPE_AUDIO_SELECTOR &&
+		    (codec->w[i].widgetcap & COP_AWCAP_OUTAMP) &&
+		    codec->w[i].nconnections == 1) {
+			j = codec->w[i].connections[0];
+			if (!(codec->w[j].widgetcap & COP_AWCAP_INAMP))
+				codec->w[i].mixer_class = AZ_CLASS_INPUT;
+			else
+				j = -1;
+		}
+		if (j == -1)
+			j = azalia_widget_sole_conn(codec, i);
+		if (j >= 0) {
+			snprintf(codec->w[i].name, sizeof(codec->w[i].name),
+			    "%s", codec->w[j].name);
+			if (codec->w[j].mixer_class == AZ_CLASS_RECORD)
+				codec->w[i].mixer_class = AZ_CLASS_RECORD;
+		}
+	}
+
 	return 0;
 }
 
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