ALSA: usb-audio: Generic DSD detection for XMOS-based implementations

Use more generic method to detect DSD capability of XMOS-based UAC2
implementations in order to support future devices without having to
explicitly list every device separately.
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/quirks.c

@@ -1362,7 +1362,6 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
 	case USB_ID(0x20b1, 0x0002): /* Wyred 4 Sound DAC-2 DSD */
 	case USB_ID(0x20b1, 0x2004): /* Matrix Audio X-SPDIF 2 */
-	case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */
 	case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
 	case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
 	case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
@@ -1389,7 +1388,6 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case USB_ID(0x20b1, 0x3021): /* Eastern El. MiniMax Tube DAC Supreme */
 	case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
 	case USB_ID(0x20b1, 0x302d): /* Unison Research Unico CD Due */
-	case USB_ID(0x20b1, 0x3036): /* Holo Springs Level 3 R2R DAC */
 	case USB_ID(0x20b1, 0x307b): /* CH Precision C1 DAC */
 	case USB_ID(0x20b1, 0x3086): /* Singxer F-1 converter board */
 	case USB_ID(0x22d9, 0x0426): /* OPPO HA-2 */
@@ -1447,6 +1445,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	 * from XMOS/Thesycon
 	 */
 	switch (USB_ID_VENDOR(chip->usb_id)) {
+	case 0x20b1:  /* XMOS based devices */
 	case 0x25ce:  /* Mytek devices */
 		if (fp->dsd_raw)
 			return SNDRV_PCM_FMTBIT_DSD_U32_BE;