[PATCH v3] ALSA: usb-audio: Add quirk for PreSonus AudioBox USB

From: Abhinav Mahadevan

Date: Tue Apr 28 2026 - 11:11:11 EST


The PreSonus AudioBox USB (0x194f:0x0301) only advertises S24_3LE
for both playback and capture interfaces. Add an explicit entry to
the quirks table to ensure correct format handling for this device.

Fixes: 099cce2b5 ("ALSA: usb-audio: Add quirk for PreSonus AudioBox USB")
Signed-off-by: Abhinav Mahadevan <abhi220204@xxxxxxxxx>
---

v3: Update patch description to accurately reflect the change
(adding a quirks table entry, not fixing format negotiation).
Add Fixes tag referencing the original commit.

v2: Fix placement - entry was incorrectly inside a #if 0 disabled
block. Moved to after the #endif /* disabled */.

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