Re: [PATCH v2] ALSA: usb-audio: Enable native DSD for MOONDROP DAWN PRO2

[Takashi Iwai]

On Sat, 10 Oct 2026 11:40:55 +0200,
Yi Tao wrote:
> 
> The MOONDROP DAWN PRO2 (USB ID 35d8:011d) exposes a UAC2 RAW_DATA
> playback altsetting, but ALSA reports it as SPECIAL without the
> DSD_RAW quirk, preventing native DSD playback.
> 
> Add the device to the raw DSD quirk table. With the quirk enabled,
> ALSA exposes DSD_U32_BE and MPD 0.24.4 outputs stereo DSD256 through
> USB altsetting 4 at 352800 frames/s, instead of converting to PCM.
> 
> Tested using snd-usb-audio quirk_flags=35d8:011d:DSD_RAW on
> Linux 7.2.6+deb13-amd64 (Debian 13).
> 
> Assisted-by: LLM
> Signed-off-by: Yi Tao <taoyi.sh.cn@xxxxxxxxx>

Applied to for-next branch now.  Thanks.


Takashi