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>

4 files changed, 16 insertions, 6 deletions

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 156cd0716c42..25bce7e5b1af 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 682e3e06b07c..ad7079d1676c 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 9a9da09586a5..cf8bf088394b 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 24d3319cc34d..db3eb21627ee 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,