[ALSA] Add Native Instrument usb audio device support

Add snd-usb-caiaq driver to support caiaq usb-audio devices from
Native Instrument:
	* Native Instruments RigKontrol2
	* Native Instruments Kore Controller
	* Native Instruments Audio Kontrol 1
	* Native Instruments Audio 8 DJ

Signed-off-by: Daniel Mack <daniel@caiaq.org>
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 28 insertions, 0 deletions

diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig
index f05d02f5b69f..315360f31278 100644
--- a/sound/usb/Kconfig
+++ b/sound/usb/Kconfig
@@ -29,5 +29,33 @@ config SND_USB_USX2Y
           To compile this driver as a module, choose M here: the module
           will be called snd-usb-usx2y.
 
+config SND_USB_CAIAQ
+        tristate "Native Instruments USB audio devices"
+         depends on SND && USB
+         select SND_HWDEP
+         select SND_RAWMIDI
+         select SND_PCM
+         help
+           Say Y here to include support for caiaq USB audio interfaces,
+           namely:
+
+            * Native Instruments RigKontrol2
+            * Native Instruments Kore Controller
+            * Native Instruments Audio Kontrol 1
+            * Native Instruments Audio 8 DJ
+
+           To compile this driver as a module, choose M here: the module
+           will be called snd-usb-caiaq.
+
+config SND_USB_CAIAQ_INPUT
+        bool "enable input device for controllers"
+        depends on SND_USB_CAIAQ
+        help
+          Say Y here to support input controllers like buttons, knobs,
+          alpha dials and analog pedals on the following products:
+
+           * Native Instruments RigKontrol2
+           * Native Instruments Audio Kontrol 1
+
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