Re: [PATCH] ALSA: usb-audio: Add quirk flags for SMSL USB DAC

Takashi Iwai <[email protected]>
Newsgroups org.kernel.vger.linux-sound,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On Sat, 22 Aug 2026 13:41:10 +0200,
Edward Blair wrote:
> 
> The SMSL USB DAC with USB ID 152a:85dd produces an audible pop
> when snd-usb-audio performs its redundant probe-time interface setup.
> It also pops when returning from runtime suspend.
> 
> Skip the probe-time interface setup and disable runtime autosuspend for
> this device. Both flags have been verified through the quirk_flags module
> parameter.
> 
> Keep QUIRK_FLAG_DSD_RAW in the device entry because the exact match takes
> precedence over the generic 0x152a vendor entry from which the device
> currently inherits that flag.
> 
> Signed-off-by: Edward Blair <[email protected]>

Applied now.  Thanks.


Takashi
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.