sound: usb: enable DSD output for ddHiFi TC44C

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@collabora.com>
Link: https://patch.msgid.link/20241209090529.16134-1-adrian.ratiu@collabora.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index a0767de7f1b7ed03a64ef4c92b35857d64db7538..8ba0aff8be2ec29cdec1d4eb5980389dd9753108 100644 (file)
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2325,6 +2325,8 @@ 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 */