ALSA: usb-audio - Add quirk for Roland/Edirol M-16DX

Added a half-working quirk for Roland/Edirol M-16DX.
This enables the capture on the device but the playback on it seems still
problematic becuase of lack of sync with the capture clock.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index d84d6f3..58f24f5 100644 (file)
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -1470,6 +1470,41 @@ YAMAHA_DEVICE(0x7010, "UB99"),
        }
 },
 {
+       /* Edirol M-16DX */
+       /* FIXME: This quirk gives a good-working capture stream but the
+        *        playback seems problematic because of lacking of sync
+        *        with capture stream.  It needs to sync with the capture
+        *        clock.  As now, you'll get frequent sound distortions
+        *        via the playback.
+        */
+       USB_DEVICE(0x0582, 0x00c4),
+       .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_COMPOSITE,
+               .data = (const struct snd_usb_audio_quirk[]) {
+                       {
+                               .ifnum = 0,
+                               .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                       },
+                       {
+                               .ifnum = 1,
+                               .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                       },
+                       {
+                               .ifnum = 2,
+                               .type = QUIRK_MIDI_FIXED_ENDPOINT,
+                               .data = & (const struct snd_usb_midi_endpoint_info) {
+                                       .out_cables = 0x0001,
+                                       .in_cables  = 0x0001
+                               }
+                       },
+                       {
+                               .ifnum = -1
+                       }
+               }
+       }
+},
+{
        /* BOSS GT-10 */
        USB_DEVICE(0x0582, 0x00da),
        .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {