ALSA: Atiixp: Add SSID for mute_led quirk (unknown HP model)

Reference: Ubuntu #84973 (https://launchpad.net/bugs/84973)
Reference: Linux #8001 (http://bugzilla.kernel.org/show_bug.cgi?id=8001)

Make the mute LED function properly on this unknown HP model.
Signed-off-by: Daniel T Chen <seven.steps@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/atiixp.c

@@ -1393,6 +1393,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.name = "HP nx6125",
 		.type = AC97_TUNE_MUTE_LED
 	},
+	{
+		.subvendor = 0x103c,
+		.subdevice = 0x3091,
+		.name = "unknown HP",
+		.type = AC97_TUNE_MUTE_LED
+	},
 	{ } /* terminator */
 };