ALSA: usb-audio - Apply Logitech QuickCam Pro 9000 quirk only to audio iface

commit 8eafc0a1 upstream.

... instead of applying to all interfaces.

Reference: http://forums.gentoo.org/viewtopic-p-6886404.htmlSigned-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

sound/usb/quirks-table.h

@@ -157,7 +157,13 @@
 	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
 },
 {
-	USB_DEVICE(0x046d, 0x0990),
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+		       USB_DEVICE_ID_MATCH_INT_CLASS |
+		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+	.idVendor = 0x046d,
+	.idProduct = 0x0990,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		.vendor_name = "Logitech, Inc.",
 		.product_name = "QuickCam Pro 9000",