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b=vMsohZBWYOvyQqHvx/pxXb8p59WtpLodKlD2tmGa51hmr3J+gHv1QIMvd6QbrnHEoMj+pf pUwqLOEsk/1WngBw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id B6A131378C; Thu, 31 Jul 2025 05:39:46 +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 vdnvKqIBi2j2TwAAD6G6ig (envelope-from ); Thu, 31 Jul 2025 05:39:46 +0000 Date: Thu, 31 Jul 2025 07:39:46 +0200 Message-ID: <875xf8udel.wl-tiwai@suse.de> From: Takashi Iwai To: Cc: , , , , , , , , Subject: Re: [PATCH] ALSA: usb-audio: Add DSD support for Comtrue USB Audio device In-Reply-To: <001e01dc01d6$cc4c64e0$64e52ea0$@comtrue-inc.com> References: <001e01dc01d6$cc4c64e0$64e52ea0$@comtrue-inc.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-sound@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; 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RCPT_COUNT_SEVEN(0.00)[10]; TAGGED_RCPT(0.00)[kernel]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[comtrue-inc.com:email,comtrue-inc.com:url,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.de:dkim,suse.de:mid] X-Spam-Score: -2.01 On Thu, 31 Jul 2025 06:51:37 +0200, wrote: > > > The vendor Comtrue Inc. (0x2fc6) produces USB audio chipsets like > > the CT7601 which are capable of Native DSD playback. > > This patch adds QUIRK_FLAG_DSD_RAW for Comtrue (VID 0x2fc6), which enables > > native DSD playback (DSD_U32_LE) on their USB Audio device. This has been > > verified under Ubuntu 25.04 with JRiver. > > Best Regards ! I see no patch in the mail. Could you try to send via git-send-email? thanks, Takashi > > =========================== > > Noble Yang > > Cell : +886-955-347822 > > 晨臻股份有限公司 > > Comtrue Inc. > > www.comtrue-inc.com > > 新地址 : 新竹縣竹北市縣政十街10號2F之1 > > 2F.-1, No. 10, Xianzheng 10th St., Zhubei City, Hsinchu County 302, Taiwan > (R.O.C.) > > The information included in this email is privileged and confidential and just > for the exclusive use of the addressee. > > For people other than the addressee the use, disclosure and reproduction is > strictly prohibited. > > If this message has been received in error, please contact the sender and > delete all copies. > > > cat /proc/asound/card*/stream0 > Comtrue-inc Comtrue-inc UAC2 Device EVM-GB at usb-0000:00:14.0-5, high speed : USB Audio > > Playback: > Status: Stop > Interface 1 > Altset 1 > Format: S16_LE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 16 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 1 > Implicit Feedback Mode: No > Interface 1 > Altset 2 > Format: S24_3LE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 24 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 2 > Implicit Feedback Mode: No > Interface 1 > Altset 3 > Format: S32_LE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 32 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 3 > Implicit Feedback Mode: No > Interface 1 > Altset 4 > Format: SPECIAL DSD_U32_BE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 32 > DSD raw: DOP=0, bitrev=0 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 4 > Implicit Feedback Mode: No > > Capture: > Status: Stop > Interface 2 > Altset 1 > Format: S16_LE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 16 > Channel map: FL FR > Interface 2 > Altset 2 > Format: S24_3LE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 24 > Channel map: FL FR > Interface 2 > Altset 3 > Format: S32_LE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 32 > Channel map: FL FR > Interface 2 > Altset 4 > Format: SPECIAL DSD_U32_BE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000 > Data packet interval: 125 us > Bits: 32 > DSD raw: DOP=0, bitrev=0 > Channel map: FL FR >