Re: [PATCH] ALSA: usb-audio: Fix sample rates for PreSonus AudioBox USB

[Takashi Iwai]

On Wed, 12 Aug 2026 02:44:10 +0200,
Trevor Vorhees via B4 Relay wrote:
> 
> From: Trevor Vorhees <vorhees-work@xxxxxxxxx>
> 
> The fixed audio formats for the PreSonus AudioBox USB specify a discrete
> rate mask but leave nr_rates at zero and rate_table unset.  find_format()
> therefore rejects every requested rate, preventing the playback and
> capture streams from being opened.
> 
> Add the advertised 44100 and 48000 Hz rates to both streams and report
> their 24 significant bits.
> 
> Fixes: 34fe4a9df247 ("ALSA: usb-audio: Add quirk for PreSonus AudioBox USB")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Trevor Vorhees <vorhees-work@xxxxxxxxx>
> ---
> Tested with a PreSonus AudioBox USB (194f:0301) on Linux
> 7.1.8-zen1-3-zen. Playback and capture streams opened successfully at
> both 44100 and 48000 Hz after applying the patch.

Applied to for-next branch now.  Thanks.


Takashi