linux-kernel - [PATCH] Add a new USB audio quirk for the NuForce UDH-100 device. Interface 1 does not exist and Interface 0 should be ignored. Before this patch, the device would not show up in /dev/snd (and dmesg showed Error -5 from the snd-alsa-usb module); after this patch, the device shows up correctly in /dev/snd and ALSA/Pulseaudio can access it.

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Date:	Sun, 10 Mar 2013 19:26:41 -0700
From:	David Helstroom <helstroom@...gle.com>
To:	perex@...ex.cz, tiwai@...e.de
Cc:	eldad@...refinery.com, damien@...audio.com, clemens@...isch.de,
	pete.leigh@...il.com, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, Dave Helstroom <helstroom@...gle.com>
Subject: [PATCH] Add a new USB audio quirk for the NuForce UDH-100 device. Interface 1 does not exist and Interface 0 should be ignored. Before this patch, the device would not show up in /dev/snd (and dmesg showed Error -5 from the snd-alsa-usb module); after this patch, the device shows up correctly in /dev/snd and ALSA/Pulseaudio can access it.

From: Dave Helstroom <helstroom@...gle.com>


Signed-off-by: Dave Helstroom <helstroom@...gle.com>
---
 sound/usb/quirks-table.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index c39f898..62d29ca 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2795,6 +2795,38 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 
+/* NuForce devices */
+{
+	USB_DEVICE(0x16d0, 0x0631),
+		.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "Nuforce",
+		.product_name = "UDH-100",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_IGNORE_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 3,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
+
 /* Native Instruments MK2 series */
 {
 	/* Komplete Audio 6 */
-- 
1.8.1.3

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