ALSA: hda - New snd-hda-intel model/pin config for hp dv7-4000

  This provides a new model and pin config for the snd-hda-intel
92HD83XXX codec for hp laptop model dv7-4000, enabling the subwoofer.

Signed-off-by: Steven Eastland <seastland at gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_sigmatel.c

@@ -94,6 +94,7 @@ enum {
 	STAC_92HD83XXX_PWR_REF,
 	STAC_DELL_S14,
 	STAC_92HD83XXX_HP,
+	STAC_HP_DV7_4000,
 	STAC_92HD83XXX_MODELS
 };
 
@@ -1632,10 +1633,17 @@ static unsigned int dell_s14_pin_configs[10] = {
 	0x40f000f0, 0x40f000f0,
 };
 
+static unsigned int hp_dv7_4000_pin_configs[10] = {
+	0x03a12050, 0x0321201f, 0x40f000f0, 0x90170110,
+	0x40f000f0, 0x40f000f0, 0x90170110, 0xd5a30140,
+	0x40f000f0, 0x40f000f0,
+};
+
 static unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = {
 	[STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs,
 	[STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs,
 	[STAC_DELL_S14] = dell_s14_pin_configs,
+	[STAC_HP_DV7_4000] = hp_dv7_4000_pin_configs,
 };
 
 static const char *stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
@@ -1644,6 +1652,7 @@ static const char *stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
 	[STAC_92HD83XXX_PWR_REF] = "mic-ref",
 	[STAC_DELL_S14] = "dell-s14",
 	[STAC_92HD83XXX_HP] = "hp",
+	[STAC_HP_DV7_4000] = "hp-dv7-4000",
 };
 
 static struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {