diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 36c9712..92c9d3a 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -36,6 +36,7 @@
   acer		Acer TravelMate
   will		Will laptops (PB V7900)
   replacer	Replacer 672V
+  favorit100	Maxdata Favorit 100XS
   basic		fixed pin assignment (old default model)
   test		for testing/debugging purpose, almost all controls can
 		adjusted.  Appearing only when compiled with
@@ -85,10 +86,11 @@
   eeepc-p703	ASUS Eeepc P703 P900A
   eeepc-p901	ASUS Eeepc P901 S101
   fujitsu	FSC Amilo
+  lifebook	Fujitsu Lifebook S6420
   auto		auto-config reading BIOS (default)
 
-ALC662/663
-==========
+ALC662/663/272
+==============
   3stack-dig	3-stack (2-channel) with SPDIF
   3stack-6ch	 3-stack (6-channel)
   3stack-6ch-dig 3-stack (6-channel) with SPDIF
@@ -107,6 +109,8 @@
   asus-mode4	ASUS
   asus-mode5	ASUS
   asus-mode6	ASUS
+  dell		Dell with ALC272
+  dell-zm1	Dell ZM1 with ALC272
   auto		auto-config reading BIOS (default)
 
 ALC882/885
@@ -118,6 +122,7 @@
   asus-a7j	ASUS A7J
   asus-a7m	ASUS A7M
   macpro	MacPro support
+  mb5		Macbook 5,1
   mbp3		Macbook Pro rev3
   imac24	iMac 24'' with jack detection
   w2jc		ASUS W2JC
@@ -150,6 +155,7 @@
   fujitsu-pi2515 Fujitsu AMILO Pi2515
   fujitsu-xa3530 Fujitsu AMILO XA3530
   3stack-6ch-intel Intel DG33* boards
+  asus-p5q	ASUS P5Q-EM boards
   auto		auto-config reading BIOS (default)
 
 ALC861/660
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 34f6fb7..db89612 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -16184,6 +16184,8 @@
 	[ALC663_ASUS_MODE4] = "asus-mode4",
 	[ALC663_ASUS_MODE5] = "asus-mode5",
 	[ALC663_ASUS_MODE6] = "asus-mode6",
+	[ALC272_DELL]		= "dell",
+	[ALC272_DELL_ZM1]	= "dell-zm1",
 	[ALC662_AUTO]		= "auto",
 };