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Tue, 27 Oct 2026 07:41:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id yprZIJBV4GokYAAAD6G6ig (envelope-from ); Tue, 27 Oct 2026 07:41:04 +0000 Date: Tue, 27 Oct 2026 08:41:04 +0100 Message-ID: <87mrrz381b.wl-tiwai@suse.de> From: Takashi Iwai To: rainey.shawn+kaudio@gmail.com Cc: Ajanesh Lal , Takashi Iwai , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] ALSA: usb-audio: add quirk for Novation UltraNova (1235:0011) In-Reply-To: <20261023122513.1025684-1-rainey.shawn+kaudio@gmail.com> References: <20261023122513.1025684-1-rainey.shawn+kaudio@gmail.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spamd-Result: default: False [-12.30 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; TAGGED_RCPT(0.00)[kaudio]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCPT_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[gmail.com,suse.de,vger.kernel.org]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Score: -12.30 X-Spam-Level: X-Spam-Flag: NO On Fri, 23 Oct 2026 14:25:11 +0200, rainey.shawn+kaudio@gmail.com wrote: > > From: Shawn Rainey > > The device reports vendor-specific class on all interfaces, so the > standard parser rejects it and no card is created. Add a composite > quirk with fixed audio and raw-MIDI layouts. The id table entry > matches interface 0 only so that the vendor control interfaces (2/3) > are left unbound for userspace access. > > The endpoints advertise no synchronization and the device provides no > feedback; both streams are locked to the USB SOF. The playback entry > is marked USB_ENDPOINT_SYNC_SYNC so that generic sync-EP detection > does not pair the capture data endpoint (0x82) as implicit feedback > for the output stream; the capture entry needs no override, as its > .ep_idx = 1 already keeps it out of sync-EP detection. > > Verified on hardware: audio duplex at both supported rates, raw MIDI > in/out, and complete patch dumps as SysEx on the MIDI endpoints. > > Signed-off-by: Shawn Rainey Applied now. Thanks. Takashi