4.18-stable review patch.  If anyone has any objections, please let me know.

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

From: Yue Wang <yuleo...@gmail.com>

[ Upstream commit 1ea0358ecb848058b35b6da13d7f4c08610a73a8 ]

Thesycon provides solutions to XMOS chips, and has its own device
vendor id.

In this patch, we use generic method to detect DSD capability of
Thesycon-based UAC2 implementations in order to support a wide range
of current and future devices.

The patch will enable the SNDRV_PCM_FMTBIT_DSD_U32_BE bit for the DAC
hence enable native DSD playback up to DSD512 format.

Signed-off-by: Yue Wang <yuleo...@gmail.com>
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 sound/usb/quirks.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1444,6 +1444,7 @@ u64 snd_usb_interface_dsd_format_quirks(
         */
        switch (USB_ID_VENDOR(chip->usb_id)) {
        case 0x20b1:  /* XMOS based devices */
+       case 0x152a:  /* Thesycon devices */
        case 0x25ce:  /* Mytek devices */
                if (fp->dsd_raw)
                        return SNDRV_PCM_FMTBIT_DSD_U32_BE;


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