diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 3029f5b1419a..139efe37f3b3 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1739,6 +1739,10 @@ static struct snd_pci_quirk stac92hd71bxx_cfg_tbl[] = {
 	/* SigmaTel reference board */
 	SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x2668,
 		      "DFI LanParty", STAC_92HD71BXX_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f2,
+		      "HP dv5", STAC_HP_M4),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f4,
+		      "HP dv7", STAC_HP_M4),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x361a,
 				"unknown HP", STAC_HP_M4),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0233,
@@ -4661,6 +4665,13 @@ again:
 		return err;
 	}
 
+	if (spec->board_config > STAC_92HD71BXX_REF) {
+		/* GPIO0 = EAPD */
+		spec->gpio_mask = 0x01;
+		spec->gpio_dir = 0x01;
+		spec->gpio_data = 0x01;
+	}
+
 	switch (codec->vendor_id) {
 	case 0x111d76b6: /* 4 Port without Analog Mixer */
 	case 0x111d76b7:
@@ -4671,10 +4682,10 @@ again:
 		codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
 		break;
 	case 0x111d7608: /* 5 Port with Analog Mixer */
-		switch (codec->subsystem_id) {
-		case 0x103c361a:
+		switch (spec->board_config) {
+		case STAC_HP_M4:
 			/* Enable VREF power saving on GPIO1 detect */
-			snd_hda_codec_write(codec, codec->afg, 0,
+			snd_hda_codec_write_cache(codec, codec->afg, 0,
 				AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x02);
 			snd_hda_codec_write_cache(codec, codec->afg, 0,
 				AC_VERB_SET_UNSOLICITED_ENABLE,
@@ -4723,13 +4734,6 @@ again:
 	spec->aloopback_mask = 0x50;
 	spec->aloopback_shift = 0;
 
-	if (spec->board_config > STAC_92HD71BXX_REF) {
-		/* GPIO0 = EAPD */
-		spec->gpio_mask = 0x01;
-		spec->gpio_dir = 0x01;
-		spec->gpio_data = 0x01;
-	}
-
 	spec->powerdown_adcs = 1;
 	spec->digbeep_nid = 0x26;
 	spec->mux_nids = stac92hd71bxx_mux_nids;
@@ -5073,7 +5077,7 @@ static int patch_stac9205(struct hda_codec *codec)
 		stac_change_pin_config(codec, 0x20, 0x1c410030);
 
 		/* Enable unsol response for GPIO4/Dock HP connection */
-		snd_hda_codec_write(codec, codec->afg, 0,
+		snd_hda_codec_write_cache(codec, codec->afg, 0,
 			AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x10);
 		snd_hda_codec_write_cache(codec, codec->afg, 0,
 			AC_VERB_SET_UNSOLICITED_ENABLE,