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

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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 <yuleopen@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Yue Wang 2018-07-23 01:56:46 -07:00 committed by Takashi Iwai
parent d10ee9c542
commit 1ea0358ecb
1 changed files with 1 additions and 0 deletions
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sound/usb/quirks.c
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@ -1443,6 +1443,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
*/
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;