linux-kernel - [PATCH AUTOSEL 6.1 05/12] sound: usb: enable DSD output for ddHiFi TC44C

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Message-Id: <20241220171317.512120-5-sashal@kernel.org>
Date: Fri, 20 Dec 2024 12:13:10 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Adrian Ratiu <adrian.ratiu@...labora.com>,
	Takashi Iwai <tiwai@...e.de>,
	Sasha Levin <sashal@...nel.org>,
	perex@...ex.cz,
	tiwai@...e.com,
	hulianqin@...o.com,
	mbarriolinares@...il.com,
	lina@...hilina.net,
	wangdicheng@...inos.cn,
	cyan.vtb@...il.com,
	dan.carpenter@...aro.org,
	bsevens@...gle.com,
	linux-sound@...r.kernel.org
Subject: [PATCH AUTOSEL 6.1 05/12] sound: usb: enable DSD output for ddHiFi TC44C

From: Adrian Ratiu <adrian.ratiu@...labora.com>

[ Upstream commit c84bd6c810d1880194fea2229c7086e4b73fddc1 ]

This is a UAC 2 DAC capable of raw DSD on intf 2 alt 4:

Bus 007 Device 004: ID 262a:9302 SAVITECH Corp. TC44C
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 [unknown]
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x262a SAVITECH Corp.
  idProduct          0x9302 TC44C
  bcdDevice            0.01
  iManufacturer           1 DDHIFI
  iProduct                2 TC44C
  iSerial                 6 5000000001
.......
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       4
      bNumEndpoints           2
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      32
      iInterface              0
	AudioStreaming Interface Descriptor:
          bLength                16
          bDescriptorType        36
          bDescriptorSubtype     1 (AS_GENERAL)
          bTerminalLink          3
          bmControls             0x00
          bFormatType            1
          bmFormats              0x80000000
          bNrChannels            2
          bmChannelConfig        0x00000000
          iChannelNames          0
.......

Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>
Link: https://patch.msgid.link/20241209090529.16134-1-adrian.ratiu@collabora.com
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/usb/quirks.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index ecb49ba8432c..87820cf7e821 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2209,6 +2209,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_DSD_RAW),
 	DEVICE_FLG(0x2522, 0x0007, /* LH Labs Geek Out HD Audio 1V5 */
 		   QUIRK_FLAG_SET_IFACE_FIRST),
+	DEVICE_FLG(0x262a, 0x9302, /* ddHiFi TC44C */
+		   QUIRK_FLAG_DSD_RAW),
 	DEVICE_FLG(0x2708, 0x0002, /* Audient iD14 */
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
 	DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
-- 
2.39.5