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Mon, 27 Apr 2026 18:00:09 -0700 (PDT) From: Abhinav Mahadevan To: tiwai@suse.com Cc: perex@perex.cz, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, Abhinav Mahadevan Subject: [PATCH v2] ALSA: usb-audio: Add quirk for PreSonus AudioBox USB Date: Tue, 28 Apr 2026 06:21:19 +0530 Message-ID: <20260428005433.6326-1-abhi220204@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260410143335.5974-1-abhi220204@gmail.com> References: <20260410143335.5974-1-abhi220204@gmail.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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