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Sat, 3 Oct 2026 09:11:24 +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 m1xJJ7zGwGonHwAAD6G6ig (envelope-from ); Sat, 03 Oct 2026 09:11:24 +0000 Date: Sat, 03 Oct 2026 11:11:24 +0200 Message-ID: <87o6dbxi6b.wl-tiwai@suse.de> From: Takashi Iwai To: Matus Gajdos Cc: Jaroslav Kysela , Takashi Iwai , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ALSA: usb-audio: Add native DSD support for Cambridge Audio streamers In-Reply-To: <20261002125237.82188-1-matuszpd@gmail.com> References: <20261002125237.82188-1-matuszpd@gmail.com> 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-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: 1C75621D58 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; ARC_NA(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+] X-Spam-Flag: NO X-Spam-Score: -3.51 X-Spam-Level: On Fri, 02 Oct 2026 14:52:37 +0200, Matus Gajdos wrote: > > The Cambridge Audio streamer advertises the UAC2 RAW_DATA format on > altsetting 2 of its playback interface, but without the DSD_RAW quirk > flag the driver exposes it only as a SPECIAL format that cannot be > used. > > Add QUIRK_FLAG_DSD_RAW for the device (USB ID 22e8:ca10), so the > altsetting is exposed as DSD_U32_BE, enabling native DSD64/128/256 > playback. > > Tested with: gst-launch-1.0 filesrc location=file.dsf ! \ > avdemux_dsf ! dsdconvert ! \ > alsasink device=hw:2,0 > > Signed-off-by: Matus Gajdos Applied now. Thanks. Takashi