Re: [PATCH v2] ALSA: usb-audio: Add DSD support for iBasso DC04U

From: Takashi Iwai

Date: Mon Feb 09 2026 - 10:12:27 EST


On Mon, 09 Feb 2026 11:04:18 +0100,
Qihang Guo wrote:
>
> From: V-Conet <v-conet@xxxxxxxxxxx>
>
> Vendor ID 0x0661 is assigned to Hamamatsu Photonics K.K.,
> but is used by iBasso for iBasso DC04U (0x0661:0x0883),
> which supports native DSD playback.
>
> This patch adds QUIRK_FLAG_DSD_RAW for iBasso DC04U, enabling
> native DSD playback (DSD_U32_BE). The change has been verified
> on Arch Linux using mpd and pw-cat.
>
> Signed-off-by: Qihang Guo <v-conet@xxxxxxxxxxx>

Thanks, applied now.


Takashi