From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 1 Jun 2009 08:59:51 +0000 (+0200)
Subject: ALSA: usb-audio - Add quirk for Roland/Edirol M-16DX
X-Git-Tag: firefly_0821_release~13628^2~9^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6efd2cd5e8c566b9c2b4c19830e5e120b442d040;p=firefly-linux-kernel-4.4.55.git

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 d84d6f312198..58f24f574207 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -1469,6 +1469,41 @@ 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),