Re: [PATCH v2] ALSA: usb-audio: Add quirk for PreSonus AudioBox USB
From: Takashi Iwai
Date: Tue Apr 28 2026 - 02:05:51 EST
On Tue, 28 Apr 2026 02:51:19 +0200,
Abhinav Mahadevan wrote:
>
> The PreSonus AudioBox USB (0x194f:0x0301) only supports S24_3LE
> format for both playback and capture. It does not support S16_LE
> despite being a USB full-speed device. Add explicit format quirks
> for both the playback (interface 2) and capture (interface 3)
> interfaces to ensure correct format negotiation.
>
> Signed-off-by: Abhinav Mahadevan <abhi220204@xxxxxxxxx>
> ---
>
> v2: Fix placement - entry was incorrectly inside a #if 0 disabled block.
> Moved to after the #endif /* disabled */.
The patch description doesn't match with what you actually change
here. Also, as it's a correction, it should have a Fixes tag.
Please update the description and resubmit.
thanks,
Takashi
>
> sound/usb/quirks-table.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 803e03d4d..4e9cfff40 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -2652,6 +2652,9 @@ YAMAHA_DEVICE(0x7010, "UB99"),
> }
> }
> },
> +
> +#endif /* disabled */
> +
> {
> /*
> * The AudioBox USB advertises S24_3LE as the only supported format
> @@ -2700,7 +2703,6 @@ YAMAHA_DEVICE(0x7010, "UB99"),
> }
> }
> },
> -#endif /* disabled */
>
> {
> /*
> --
> 2.43.0
>