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

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Message-ID: <87a4xi0xad.wl-tiwai@suse.de>
Date: Mon, 09 Feb 2026 16:08:42 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Qihang Guo <v-conet@...look.com>
Cc: Takashi Iwai <tiwai@...e.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ALSA: usb-audio: Add DSD support for iBasso DC04U

On Mon, 09 Feb 2026 11:04:18 +0100,
Qihang Guo wrote:
> 
> From: V-Conet <v-conet@...look.com>
> 
> 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@...look.com>

Thanks, applied now.


Takashi