Index: hda/hda_codec.cpp
==================================================================
--- hda/hda_codec.cpp
+++ hda/hda_codec.cpp
@@ -840,11 +840,33 @@
 				}
 
 				verbs[0] = MAKE_VERB(audioGroup->codec->addr, nodeID,
 					VID_GET_CONFIGURATION_DEFAULT, 0);
 				if (hda_send_verbs(audioGroup->codec, verbs, resp, 1) == B_OK) {
+					/*****************/
+					TRACE( "Pinconfig T- for %ld is 0x%8.8lx ====\n", nodeID, resp[0] );
+					switch( nodeID )
+					{
+						case 0x19:  // widget 25
+							resp[0] = 0x042140ff;
+							//xxxx the sequence number is still "15", before and after
+							// the patch ?
+							// ask korli what the sequence is supposed to be/do..
+						break;
+						
+						case 0x1a:
+							resp[0] = 0x21a190f0;
+						break;
+						
+						case 0x1c:
+							resp[0] = 0x212140ff;
+						break;
+					}
+					TRACE( "Pinconfig T+ for %ld is 0x%8.8lx\n", nodeID, resp[0] );
+					
 					widget.d.pin.config = resp[0];
+					
 					const char* location =
 						get_widget_location(CONF_DEFAULT_LOCATION(resp[0]));
 					TRACE("\t%s, %s%s%s, %s, %s, Association:%ld\n",
 						kPortConnector[CONF_DEFAULT_CONNECTIVITY(resp[0])],
 						location ? location : "",
@@ -875,10 +897,47 @@
 		dump_widget_inputs(widget);
 	}
 
 	hda_widget_get_associations(audioGroup);
 
+#if 1
+	//+ if T410 thinkpad, then do this:
+	if( widget.node_id == 31 )
+	{
+		/* The linux driver does both "set-control" and "select-mux":
+			// Port G: internal speakers
+			{0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
+			{0x1f, AC_VERB_SET_CONNECT_SEL, 0x00},   // DAC1
+		The haiku driver is missing that second part! So let's try below:
+		
+		Also tried: widget 16: send verb offset "0" (instead of huge decibel offset "74", aka 0x4a)
+		
+	....And what about this:??
+			//EAPD:
+			{0x1d, AC_VERB_SET_EAPD_BTLENABLE, 0x2}, // default on
+		*/
+		
+		uint32 mux = 0;
+		uint32 verb = MAKE_VERB(
+			audioGroup->codec->addr,
+			widget.node_id,
+			VID_SET_CONNECTION_SELECT,
+			mux
+			);
+		if (hda_send_verbs(audioGroup->codec, &verb, NULL, 1) != B_OK) {
+			dprintf("** send-verb failure: hda: Setting output selector %" B_PRId32 " failed on "
+				"widget %" B_PRIu32 "!\n",
+				mux,
+				widget.node_id
+				);
+		}
+		TRACE("-- T410 patch: widget %" B_PRId32 " will feed from selector: %" B_PRIu32 "\n",
+			widget.node_id,
+			mux
+			);
+	}
+#endif
 	// init the codecs
 	switch (codec_id) {
 		case 0x10ec0888: {
 			hda_verb_write(codec, 0x20, VID_SET_COEFFICIENT_INDEX, 0x0);
 			uint32 tmp;
@@ -886,12 +945,23 @@
 			hda_verb_write(codec, 0x20, VID_SET_COEFFICIENT_INDEX, 0x7);
 			hda_verb_write(codec, 0x20, VID_SET_PROCESSING_COEFFICIENT,
 				(tmp & 0xf0) == 0x20 ? 0x830 : 0x3030);
 			break;
 		}
+		default: {
+			/*
+			----> "case 0x17aa215e:"...
+			*/
+		}
+		break;
 	}
-
+	TRACE("\n==== subsys: 0x%x\n", codec->controller->pci_info.u.h0.subsystem_id);
+	TRACE("\n==== subsys vendor: 0x%x\n", codec->controller->pci_info.u.h0.subsystem_vendor_id);
+	//yields this:
+	//KERN: ==== subsys: 0x215e
+	//KERN: ==== subsys vendor: 0x17aa
+	
 	return B_OK;
 }
 
 
 /*! Find output path for widget */
@@ -1351,10 +1421,16 @@
 				corb_t verb = MAKE_VERB(audioGroup->codec->addr,
 					widget.node_id,
 					VID_SET_PIN_WIDGET_CONTROL, ctrl);
 				hda_send_verbs(audioGroup->codec, &verb, NULL, 1);
 
+#if 1
+				//+ if T410 thinkpad, then do this:
+				if( widget.node_id == 31 )
+				..
+			moved up to where advised, as per ticket #14581
+#endif
 				if (PIN_CAP_IS_EAPD_CAP(widget.d.pin.capabilities)) {
 					uint32 result;
 					verb = MAKE_VERB(audioGroup->codec->addr,
 						widget.node_id, VID_GET_EAPDBTL_EN, 0);
 					if (hda_send_verbs(audioGroup->codec, &verb,

Index: hda/hda_codec_defs.h
==================================================================
--- hda/hda_codec_defs.h
+++ hda/hda_codec_defs.h
@@ -49,10 +49,14 @@
 
 
 /* Verb Helper Macro */
 #define MAKE_VERB(cad, nid, vid, payload) \
 	(((cad) << 28) | ((nid) << 20) | (vid) | (payload))
+
+//     [x]             [xx]          [xxx]     [xx]
+// (as hex digit slots)
+
 
 /* Verb IDs */
 #define VID_GET_PARAMETER					0xf0000
 #define VID_GET_CONNECTION_SELECT			0xf0100
 #define VID_SET_CONNECTION_SELECT			0x70100

Index: hda/hda_multi_audio.cpp
==================================================================
--- hda/hda_multi_audio.cpp
+++ hda/hda_multi_audio.cpp
@@ -18,11 +18,11 @@
 
 #ifdef TRACE
 #	undef TRACE
 #endif
 
-//#define TRACE_MULTI_AUDIO
+#define TRACE_MULTI_AUDIO
 #ifdef TRACE_MULTI_AUDIO
 #	define TRACE(a...) dprintf("hda: " a)
 #else
 #	define TRACE(a...) ;
 #endif
@@ -761,10 +761,33 @@
 
 
 static status_t
 set_mix(hda_audio_group* audioGroup, multi_mix_value_info * mmvi)
 {
+	/*
+	Add support for X220:			xxx
+	Add support for T410:
+		8086/3b56 (17aa/215e)
+		Codec 0 Vendor: 14f1 Product: 5069
+	++ or we could add a haiku "quirk" for hda_codec_get_quirks() ?
+	*/
+	/*
+	======= ROADMAP (on my own): =======
+	[x] apply the 3 "patch pin config" lines
+	[x] test on COLD boot
+	[.] apply the "thinkpad acpi" line
+		=> I need to find the "tpacpi_led_set" symbol.. it's not in the hda/ folder :-(
+	[.] look into "Sequence 0xf", seems this critical part of the patch did not make the intended difference  ; FWIW, hda_auto_parser.c has this little nugget: "			The real HPs should have the sequence 0x0f "  ANd this one: "sort by sequence"
+	[ ] could be *another* problem in the hda driver, that just happens to be exposed on the T410 ..etc ?
+	======= ROADMAP (tickets): =======
+	- ask tidux for "tracing-enabled dmesg" ? (as per bookmarks on R61)
+	*/