linux-kernel - [PATCH 3.4 092/172] ALSA: snd-usb: add quirks for Roland UA-22

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Date:	Tue, 16 Jun 2015 16:35:46 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Daniel Mack <daniel@...que.org>,
	Takashi Iwai <tiwai@...e.de>, Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 092/172] ALSA: snd-usb: add quirks for Roland UA-22

From: Daniel Mack <daniel@...que.org>

3.4.108-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit fcdcd1dec6d2c7b718385ec743ae5a9a233edad4 upstream.

The device complies to the UAC1 standard but hides that fact with
proprietary descriptors. The autodetect quirk for Roland devices
catches the audio interface but misses the MIDI part, so a specific
quirk is needed.

Signed-off-by: Daniel Mack <daniel@...que.org>
Reported-by: Rafa Lafuente <rafalafuente@...il.com>
Tested-by: Raphaël Doursenaud <raphael@...rsenaud.fr>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 sound/usb/quirks-table.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 5ef3579..2ad5d77 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -1871,6 +1871,36 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
+{
+	USB_DEVICE(0x0582, 0x0159),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		/* .vendor_name = "Roland", */
+		/* .product_name = "UA-22", */
+		.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
+			}
+		}
+	}
+},
 
 /* Guillemot devices */
 {
-- 
1.9.1

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