ALSA: intel8x0: Apply headphones+mute LED quirk for Dell Inspiron 9300

BugLink: https://bugs.launchpad.net/bugs/774895

The original reporter states that his volume keys do not change the
desired Master and PCM mixer elements together, so apply the hp+mute led
quirk for his PCI SSID.

Reported-by: Jeffrey Finkelstein
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/intel8x0.c

@@ -1882,6 +1882,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.name = "Dell Inspiron 6000",
 		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
 	},
+	{
+		.subvendor = 0x1028,
+		.subdevice = 0x0189,
+		.name = "Dell Inspiron 9300",
+		.type = AC97_TUNE_HP_MUTE_LED
+	},
 	{
 		.subvendor = 0x1028,
 		.subdevice = 0x0191,