commit e2995b95a914bbc6b5352be27d5d5f33ec802d2c
author Justin Song <flyingecar@gmail.com> Thu Oct 24 12:27:14 2019 +0200
committer Takashi Iwai <tiwai@suse.de> Thu Oct 24 12:30:06 2019 +0200
tree d5f2f328d655a1fa6a0aa26b7d5289d5df070c0e
parent 4750c212174892d26645cdf5ad73fb0e9d594ed3

ALSA: usb-audio: Add DSD support for Gustard U16/X26 USB Interface

This patch adds native DSD support for Gustard U16/X26 USB Interface.
Tested using VID and fp->dsd_raw method.

Signed-off-by: Justin Song <flyingecar@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/CA+9XP1ipsFn+r3bCBKRinQv-JrJ+EHOGBdZWZoMwxFv0R8Y1MQ@mail.gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/quirks.c

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index fbfde99..0bbe120 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1657,6 +1657,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case 0x23ba:  /* Playback Designs */
 	case 0x25ce:  /* Mytek devices */
 	case 0x278b:  /* Rotel? */
+	case 0x292b:  /* Gustard/Ess based devices */
 	case 0x2ab6:  /* T+A devices */
 	case 0x3842:  /* EVGA */
 	case 0xc502:  /* HiBy devices */