[ALSA] caiaq - support for Native Instrument's RigKontrol3

This patch adds support for Native Instrument's upcoming
RigKontrol3 sound interface.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/usb/caiaq/caiaq-device.h b/sound/usb/caiaq/caiaq-device.h
index 088d5ec..79bc5be 100644
--- a/sound/usb/caiaq/caiaq-device.h
+++ b/sound/usb/caiaq/caiaq-device.h
@@ -6,6 +6,7 @@
 #define USB_VID_NATIVEINSTRUMENTS 0x17cc
 
 #define USB_PID_RIGKONTROL2	0x1969
+#define USB_PID_RIGKONTROL3	0x1940
 #define USB_PID_KORECONTROLLER 	0x4711
 #define USB_PID_AK1		0x0815
 #define USB_PID_AUDIO8DJ	0x1978