ALSA: hda - Add quirk for HP6730B laptop

Added model=laptop for HP 6730B laptop with AD1984A codec.
Reference: Novell bnc#457909
	https://bugzilla.novell.com/show_bug.cgi?id=457909Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: stable@kernel.org

sound/pci/hda/patch_analog.c

@@ -3901,6 +3901,7 @@ static const char *ad1884a_models[AD1884A_MODELS] = {
 static struct snd_pci_quirk ad1884a_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x3030, "HP", AD1884A_MOBILE),
 	SND_PCI_QUIRK(0x103c, 0x3056, "HP", AD1884A_MOBILE),
+	SND_PCI_QUIRK(0x103c, 0x30e6, "HP 6730b", AD1884A_LAPTOP),
 	SND_PCI_QUIRK(0x103c, 0x30e7, "HP EliteBook 8530p", AD1884A_LAPTOP),
 	SND_PCI_QUIRK(0x103c, 0x3614, "HP 6730s", AD1884A_LAPTOP),
 	SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X300", AD1884A_THINKPAD),