diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index a10ab82..fb6dc39 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -3501,8 +3501,9 @@
 		.name = "Mitac MI6020/21",
 		.amp = amp_voyetra,
 	},
+	/* Hercules Game Theatre XP */
 	{
-		.vendor = 0x14AF,
+		.vendor = 0x14af, /* Guillemot Corporation */
 		.id = 0x0050,
 		.name = "Hercules Game Theatre XP",
 		.amp = amp_hercules,
@@ -3544,9 +3545,25 @@
 		.amp = amp_hercules,
 		.mixer_init = hercules_mixer_init,
 	},
+	/* Herculess Fortissimo */
+	{
+		.vendor = 0x1681,
+		.id = 0xa010,
+		.name = "Hercules Gamesurround Fortissimo II",
+	},
+	{
+		.vendor = 0x1681,
+		.id = 0xa011,
+		.name = "Hercules Gamesurround Fortissimo III 7.1",
+	},
 	/* Teratec */
 	{
 		.vendor = 0x153b,
+		.id = 0x112e,
+		.name = "Terratec DMX XFire 1024",
+	},
+	{
+		.vendor = 0x153b,
 		.id = 0x1136,
 		.name = "Terratec SiXPack 5.1",
 	},