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Mon, 31 Aug 2026 08:30:27 +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 dDQ/OaM7lWoDFwAAD6G6ig (envelope-from ); Mon, 31 Aug 2026 08:30:27 +0000 Date: Mon, 31 Aug 2026 10:30:27 +0200 Message-ID: <877bl6sndo.wl-tiwai@suse.de> From: Takashi Iwai To: Jonathan Seth Mainguy Cc: linux-sound@vger.kernel.org, perex@perex.cz, tiwai@suse.com, niklas@aldervall.se, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] ALSA: usb-audio: support Roland Capture sample rates In-Reply-To: <20260829005001.534571-1-jon@soh.re> References: <20260829005001.534571-1-jon@soh.re> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Level: X-Spam-Score: -3.30 X-Spam-Flag: NO X-Spamd-Result: default: False [-3.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.993]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid] On Sat, 29 Aug 2026 02:49:57 +0200, Jonathan Seth Mainguy wrote: > > The fixed quirks for these devices currently describe 44.1 kHz: > > 0582:0120 Roland OCTA-CAPTURE > 0582:012f Roland QUAD-CAPTURE > > Add their 48, 96 and 192 kHz alternate settings. The OCTA-CAPTURE's existing > S32_LE format description causes the white-noise playback reported by Niklas > Aldervall and other users. Change it to the packed S24_3LE format used by the > device. > > Expose the OCTA-CAPTURE control MIDI cables and synchronize the hardware clock > with the selected endpoint rate during stream preparation. > > Tested on physical OCTA-CAPTURE and QUAD-CAPTURE units. Rate changes followed > by full-duplex streaming succeeded at 44.1, 48, 96 and 192 kHz on both models. > External digital clocking on the OCTA-CAPTURE was tested at all supported > rates: 44.1, 48 and 96 kHz. The OCTA-CAPTURE disables its digital input and > output at 192 kHz, so external clocking is unavailable at that rate. > > Reported-by: Niklas Aldervall > Closes: https://lore.kernel.org/alsa-devel/6b623cb6-3a9b-4fe4-a57c-9a165d261692@aldervall.se/ > Signed-off-by: Jonathan Seth Mainguy > > Jonathan Seth Mainguy (4): > ALSA: usb-audio: add Roland OCTA-CAPTURE multirate support > ALSA: usb-audio: expose OCTA-CAPTURE control MIDI cables > ALSA: usb-audio: add Roland QUAD-CAPTURE multirate support > ALSA: usb-audio: set Roland Capture rate during stream preparation Applied to for-next branch. Thanks. Takashi