ALSA: usb-audio: remove invalid extra mixers for Komplete Audio 6

This was a flaw in the reading of the spec tables - Native Instrument's
"Komplete Audio 6" device has no such extra controls.

This patch also fixes the device name in two comments.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/mixer_quirks.c

@@ -398,17 +398,6 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-static struct snd_kcontrol_new snd_nativeinstruments_ak6_mixers[] = {
-	{
-		.name = "Direct Monitor Channel 1+2",
-		.private_value = _MAKE_NI_CONTROL(0x03, 0x03),
-	},
-	{
-		.name = "Direct Monitor Channel 3+4",
-		.private_value = _MAKE_NI_CONTROL(0x03, 0x05),
-	},
-};
-
 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 	{
 		.name = "Direct Thru Channel A",
@@ -537,12 +526,6 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 		err = snd_xonar_u1_controls_create(mixer);
 		break;
 
-	case USB_ID(0x17cc, 0x1001): /* Audio Kontrol 6 */
-		err = snd_nativeinstruments_create_mixer(mixer,
-				snd_nativeinstruments_ak6_mixers,
-				ARRAY_SIZE(snd_nativeinstruments_ak6_mixers));
-		break;
-
 	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
 		err = snd_nativeinstruments_create_mixer(mixer,
 				snd_nativeinstruments_ta6_mixers,

sound/usb/quirks-table.h

@@ -2332,7 +2332,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 
 /* Native Instruments MK2 series */
 {
-	/* Audio Kontrol 6 */
+	/* Komplete Audio 6 */
 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
 	.idVendor = 0x17cc,
 	.idProduct = 0x1000,

sound/usb/quirks.c

@@ -539,7 +539,7 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
 		/* Access Music VirusTI Desktop */
 		return snd_usb_accessmusic_boot_quirk(dev);
 
-	case USB_ID(0x17cc, 0x1000): /* Audio Kontrol 6 */
+	case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
 	case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
 	case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
 		return snd_usb_nativeinstruments_boot_quirk(dev);