diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 3eac0f86266ce54e0bd3a0ff2aa26bc07038081b..581ebba4d1a7e068e1f0c023720241cd012d8423 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1782,6 +1782,11 @@ static unsigned int ad1981_jacks_blacklist[] = {
 	0x10140534, /* Thinkpad X31 */
 	0x10140537, /* Thinkpad T41p */
 	0x10140554, /* Thinkpad T42p/R50p */
+	0x10140567, /* Thinkpad T43p 2668-G7U */
+	0x10140581, /* Thinkpad X41-2527 */
+	0x104380b0, /* Asus A7V8X-MX */
+	0x11790241, /* Toshiba Satellite A-15 S127 */
+	0x144dc01a, /* Samsung NP-X20C004/SEG */
 	0 /* end */
 };
 
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 93ae9c2507677c4e75837c8357dafc32aa799cdf..a6a0a80edc3b19860f781595b84d300aab4de5bd 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -467,6 +467,8 @@ static struct snd_pci_quirk stac9200_cfg_tbl[] = {
 		      "Dell XPS M1710", STAC_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01cf,
 		      "Dell Precision M90", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01d6,
+		      "unknown Dell", STAC_REF),
 	{} /* terminator */
 };
 
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 202f720b34b9b4116848b9d8888912657d348dcd..da9734073dba546cbe439e359f4dc1c40ca4c79b 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1797,6 +1797,18 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.name = "Dell Unknown",	/* STAC9750/51 */
 		.type = AC97_TUNE_HP_ONLY
 	},
+	{
+		.subvendor = 0x1028,
+		.subdevice = 0x0186,
+		.name = "Dell Latitude D810", /* cf. Malone #41015 */
+		.type = AC97_TUNE_HP_MUTE_LED
+	},
+	{
+		.subvendor = 0x1028,
+		.subdevice = 0x0188,
+		.name = "Dell Inspiron 6000",
+		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
+	},
 	{
 		.subvendor = 0x1028,
 		.subdevice = 0x0191,
@@ -1819,7 +1831,7 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.subvendor = 0x103c,
 		.subdevice = 0x088c,
 		.name = "HP nc8000",
-		.type = AC97_TUNE_MUTE_LED
+		.type = AC97_TUNE_HP_MUTE_LED
 	},
 	{
 		.subvendor = 0x103c,
@@ -1911,6 +1923,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.name = "Fujitsu S6210",	/* STAC9750/51 */
 		.type = AC97_TUNE_HP_ONLY
 	},
+	{
+		.subvendor = 0x10cf,
+		.subdevice = 0x127e,
+		.name = "Fujitsu Lifebook C1211D",
+		.type = AC97_TUNE_HP_ONLY
+	},
 	{
 		.subvendor = 0x10cf,
 		.subdevice = 0x12ec,