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

[Takashi Iwai]

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 <edward.blair@xxxxxxxxx>

Applied now.  Thanks.


Takashi