From c7f572168fc4840727c9bda955b7f103922209cd Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Fri, 22 Oct 2010 18:20:48 +0200
Subject: ALSA: usb-audio: add Novation Launchpad support

Add a quirk entry for the Novation Launchpad USB MIDI controller.

QUIRK_MIDI_FASTLANE gets renamed to *_RAW_BYTES because this quirk type
is now shared by different devices.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Jakob Flierl <jakob.flierl@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 156cd07..25bce7e 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -784,7 +784,7 @@ static struct usb_protocol_ops snd_usbmidi_novation_ops = {
 };
 
 /*
- * "raw" protocol: used by the MOTU FastLane.
+ * "raw" protocol: just move raw MIDI bytes from/to the endpoint
  */
 
 static void snd_usbmidi_raw_input(struct snd_usb_midi_in_endpoint* ep,
@@ -2122,7 +2122,7 @@ int snd_usbmidi_create(struct snd_card *card,
 		umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
 		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
 		break;
-	case QUIRK_MIDI_FASTLANE:
+	case QUIRK_MIDI_RAW_BYTES:
 		umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
 		/*
 		 * Interface 1 contains isochronous endpoints, but with the same
@@ -2133,7 +2133,8 @@ int snd_usbmidi_create(struct snd_card *card,
 		 * interface 0, so we have to make sure that the USB core looks
 		 * again at interface 0 by calling usb_set_interface() on it.
 		 */
-		usb_set_interface(umidi->dev, 0, 0);
+		if (umidi->usb_id == USB_ID(0x07fd, 0x0001)) /* MOTU Fastlane */
+			usb_set_interface(umidi->dev, 0, 0);
 		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
 		break;
 	case QUIRK_MIDI_EMAGIC:
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 682e3e0..ad7079d 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2078,7 +2078,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		.data = & (const struct snd_usb_audio_quirk[]) {
 			{
 				.ifnum = 0,
-				.type = QUIRK_MIDI_FASTLANE
+				.type = QUIRK_MIDI_RAW_BYTES
 			},
 			{
 				.ifnum = 1,
@@ -2227,6 +2227,15 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
+	USB_DEVICE(0x1235, 0x000e),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		/* .vendor_name = "Novation", */
+		/* .product_name = "Launchpad", */
+		.ifnum = 0,
+		.type = QUIRK_MIDI_RAW_BYTES
+	}
+},
+{
 	USB_DEVICE_VENDOR_SPEC(0x1235, 0x4661),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		.vendor_name = "Novation",
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 9a9da09..cf8bf08 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -287,7 +287,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
 		[QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
 		[QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
 		[QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
-		[QUIRK_MIDI_FASTLANE] = create_any_midi_quirk,
+		[QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
 		[QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
 		[QUIRK_MIDI_CME] = create_any_midi_quirk,
 		[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 24d3319..db3eb21 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -70,7 +70,7 @@ enum quirk_type {
 	QUIRK_MIDI_YAMAHA,
 	QUIRK_MIDI_MIDIMAN,
 	QUIRK_MIDI_NOVATION,
-	QUIRK_MIDI_FASTLANE,
+	QUIRK_MIDI_RAW_BYTES,
 	QUIRK_MIDI_EMAGIC,
 	QUIRK_MIDI_CME,
 	QUIRK_MIDI_AKAI,
-- 
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