From 8f0ed004208ea8ed438dad308137e40eb1188549 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@gmx.de>
Date: Mon, 10 Dec 2012 10:01:52 +0100
Subject: audiohda: add support for PCH (Dell E5420)

---
 sys/src/9/pc/audiohda.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/src/9/pc/audiohda.c b/sys/src/9/pc/audiohda.c
index 8736fe879..e0f88b323 100644
--- a/sys/src/9/pc/audiohda.c
+++ b/sys/src/9/pc/audiohda.c
@@ -1418,6 +1418,7 @@ hdamatch(Pcidev *p)
 		case (0x8086 << 16) | 0x293e:	/* Intel P35 (untested) */
 		case (0x8086 << 16) | 0x811b:	/* Intel SCH (Poulsbo) */
 		case (0x8086 << 16) | 0x080a:	/* Intel SCH (Oaktrail) */
+		case (0x8086 << 16) | 0x1c20:	/* Intel PCH */
 		case (0x8086 << 16) | 0x1e20:	/* Intel (Thinkpad x230t) */
 
 		case (0x10de << 16) | 0x026c:	/* NVidia MCP51 (untested) */
@@ -1529,6 +1530,7 @@ Found:
 	if(p->vid == 0x8086){
 		/* magic for Intel */
 		switch(p->did){
+		case 0x1c20:	/* PCH */
 		case 0x811b:	/* SCH */
 		case 0x080a:
 			pcicfgw16(p, 0x78, pcicfgr16(p, 0x78) & ~0x800);
-- 
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