Re: [alsa-devel] [PATCH] add native DSD support for XMOS based DACs.

Jurgen Kramer wrote:

Add quirk for XMOS based DACs for native DSD playback support using the new DSD_U32_LE sample format. Works for all DAC vendors which use XMOS as idVendor. E.g. iFi Audio with their micro iDSD and nano iDSD.

+++ b/sound/usb/quirks.c

• /* XMOS based DACs, e.g. iFi Audio micro/nano iDSD */
• if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x20b1) {

• switch (fp->altsetting) {
  

• case 2:
  

• 	return SNDRV_PCM_FMTBIT_DSD_U32_LE;
  

Can you confirm that all XMOS devices ever built will have DSD on that alternate setting?

Regards, Clemens