From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7736C433F5 for ; Wed, 17 Nov 2021 17:48:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82A7E61BA2 for ; Wed, 17 Nov 2021 17:48:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230191AbhKQRvd (ORCPT ); Wed, 17 Nov 2021 12:51:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238352AbhKQRvc (ORCPT ); Wed, 17 Nov 2021 12:51:32 -0500 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5A86C061570 for ; Wed, 17 Nov 2021 09:48:32 -0800 (PST) Received: by mail-lf1-x133.google.com with SMTP id k37so12472033lfv.3 for ; Wed, 17 Nov 2021 09:48:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=UhCDVJPwIOznU2Q9SLszzqZyzNcrsLiL9kVBidZ8GDM=; b=6oppf1N/Yi3Um5K6N5/Gvgzfv3yIKv79bYt9u6Y0BJyVoy97UWCHESLHf0yenOqs6G BILKpojT5XFHtJHASdEjjxwjiV5U+kTk4rHSOHWDcSM6jeGF4+xPXz2f442dF7mwpBvd y3GPz/kvRXiBK8leq/SswpfNBSo7v15NBEEKheT8XpezSyHO4uB1f4g0VJlY1pkqXZiw 4xFx6gdDihNOyJffo7Z6Ed8/AqqK/4PEC/ky+zd/huOXcF5aC2fmdmkyuF7UN3cxQejM ArT4kG9nsqw470gn24HCpIBHXHZCsjz47C2bPod87C3IcwG72F1oMtGFdpLcqJ6JGnVT WalA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=UhCDVJPwIOznU2Q9SLszzqZyzNcrsLiL9kVBidZ8GDM=; b=QXgaNBtOlRN4eqdUxgDxkgvvh6CKLqU3ucgoX3oYoVTo9Oj2joumw3mQAOpnp7dEl+ NaHJFIlaTwOht+HuIwxu04dk+Z+4H3VrizbNVBSeoyELLWwPomRYyqFi1QbZDMA/XeUq WBX2UsIFjyHxNeumJncQE5/o/5gixCDooEoI+cvcoVEMM1PiO6gqxURkQohw0dM2a6aQ H1zssMyOqO7pRiubcsyogJBRNfAlaZ0ROFQ82bXHgj1Kvn6QaEcB6FHBuuP8Zx0bT2E+ d364lPBDb7RkKSBwMMbI6B1I/E107i33NgMv6sKksxFJ/JhXS/F1NxEstc+OP6EFAPKl R96w== X-Gm-Message-State: AOAM530AU9PY6+6w58BMJHrYdaDjqWls3NulciRipq0c3BPJmGW60xjI 7LjfBRrUYGnHodx1Yz9vK/q6D2saREHJKpjN X-Google-Smtp-Source: ABdhPJzjO2AiliQrwEiWj5VDNcEeIpx4h0PD5enUngVK12zaV1D5EChFlDiibZxrJOF28hWmS4y7Tg== X-Received: by 2002:a19:f10a:: with SMTP id p10mr16598677lfh.487.1637171311185; Wed, 17 Nov 2021 09:48:31 -0800 (PST) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id x12sm43444lfa.243.2021.11.17.09.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Nov 2021 09:48:30 -0800 (PST) Received: by box.localdomain (Postfix, from userid 1000) id C16CE103139; Wed, 17 Nov 2021 20:48:26 +0300 (+03) Date: Wed, 17 Nov 2021 20:48:26 +0300 From: "Kirill A. Shutemov" To: Takashi Iwai Cc: Linus Torvalds , Mark Brown , Liam Girdwood , Linux Kernel Mailing List Subject: Re: [GIT PULL] sound updates for 5.16-rc1 Message-ID: <20211117174826.23eakoivl33tawb2@box.shutemov.name> References: <20211117161855.m45mxcqszkfcetai@box.shutemov.name> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="unbtckrxrxtuxppn" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --unbtckrxrxtuxppn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Nov 17, 2021 at 05:24:28PM +0100, Takashi Iwai wrote: > On Wed, 17 Nov 2021 17:18:55 +0100, > Kirill A. Shutemov wrote: > > > > On Wed, Nov 03, 2021 at 11:24:10AM +0100, Takashi Iwai wrote: > > > Linus, > > > > > > please pull sound updates for v5.16-rc1 from: > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git tags/sound-5.16-rc1 > > > > > > The topmost commit is df0380b9539b04c1ae8854a984098da06d5f1e67 > > > > > > ---------------------------------------------------------------- > > > > > > sound updates for 5.16-rc1 > > > > > > Lots of code development have been see in ASoC side as usual, while > > > the continued development on memalloc helper and USB-audio low- > > > latency support are found in the rest. Note that a few changes in the > > > unusual places like arch/sh are included, which are a part of ASoC DAI > > > format cleanups. > > > > > > ALSA core: > > > - Continued memallloc helper updates and cleanups, now supporting > > > non-coherent and non-contiguous pages > > > - Fixes for races in mixer OSS layer > > > > > > ASoC: > > > - A new version of the audio graph card which supports a wider range > > > of systems > > > - Several conversions to YAML DT bindings > > > - Continuing cleanups to the SOF and Intel code > > > - Move of the Cirrus DSP framework into drivers/firmware to allow for > > > future use by non-audio DSPs > > > - An overhaul of the cs42l42 driver, correcting many problems > > > - DAI format terminology conversions over many drivers for cleanups > > > - Support for AMD Vangogh and Yelow Cap, Cirrus CS35L41, Maxim > > > MAX98520 and MAX98360A, Mediatek MT8195, Nuvoton NAU8821, nVidia > > > Tegra210, NXP i.MX8ULP, Qualcomm AudioReach, Realtek ALC5682I-VS, > > > RT5682S, and RT9120 and Rockchip RV1126 and RK3568 > > > > > > USB-audio: > > > - Continued improvements on low-latency playback > > > - Quirks for Pioneer devices, Line6 HX-Stomp XL, Audient iD14 > > > > > > HD-audio: > > > - Reduce excessive udelay() calls on Intel platforms; this should > > > reduce the CPU load with PulseAudio > > > - Quirks for HP and Clevo laptops > > > > > > FireWire: > > > - Support for meter information on MOTU > > > > > > > ... > > > > > Takashi Iwai (29): > > > ALSA: hda: Reduce udelay() at SKL+ position reporting > > > ALSA: hda: Use position buffer for SKL+ again > > > ALSA: usb-audio: Restrict rates for the shared clocks > > > ALSA: usb-audio: Fix possible race at sync of urb completions > > > ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback > > > ALSA: usb-audio: Disable low-latency playback for free-wheel mode > > > ALSA: usb-audio: Disable low-latency mode for implicit feedback sync > > > ALSA: usb-audio: Check available frames for the next packet size > > > ALSA: usb-audio: Add spinlock to stop_urbs() > > > ALSA: usb-audio: Improved lowlatency playback support > > > > This commit breaks audio playback for me. The sample plays for fraction of > > a second than stops. > > > > I use SMSL SA300. Let me know what ifo is needed to track it down. > > > > Also I can test potential fixups if needed. > > Could you give alsa-info.sh output with the device? Run the script > with --no-upload option, and attach the output. Attached. I run it on kernel without the commit. I hope it is fine. One note: I use monolitic kernel without CONFIG_MODULES. The script complained about missing /proc/asound/modules and other modules related stuff. > Also /proc/asound/card*/stream* file for that usb device, too, > please. Attached. > And, which environment are you testing, more exactly? Which platform, > and with PulseAudio, pipewire, JACK, or direct ALSA device use? Nothing fancy. Direct ALSA. I tested with 'speaker-test -c2 -t wav' during bisect. > For checking the behavior, we'd need to check hw_params in > /proc/asound/card*/pcm*/sub*/* for the corresponding device during > playback/capture operations. You need this to be collected when the problem triggers, right? I will follow up with this. -- Kirill A. Shutemov --unbtckrxrxtuxppn Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="alsa-info.txt" upload=true&script=true&cardinfo= !!################################ !!ALSA Information Script v 0.5.0 !!################################ !!Script ran on: Wed Nov 17 17:43:16 UTC 2021 !!Linux Distribution !!------------------ Gentoo Base System release 2.7 NAME=Gentoo ID=gentoo PRETTY_NAME="Gentoo/Linux" HOME_URL="https://www.gentoo.org/" SUPPORT_URL="https://www.gentoo.org/support/" BUG_REPORT_URL="https://bugs.gentoo.org/" !!DMI Information !!--------------- Manufacturer: Gigabyte Technology Co., Ltd. Product Name: X299 AORUS Gaming 3 Pro Product Version: Default string Firmware Version: F5d System SKU: Default string Board Vendor: Gigabyte Technology Co., Ltd. Board Name: X299 AORUS Gaming 3 Pro-CF !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/ACPI0004:00/status 15 /sys/bus/acpi/devices/INT340E:00/status 15 /sys/bus/acpi/devices/LNXCPU:00/status 15 /sys/bus/acpi/devices/LNXCPU:01/status 15 /sys/bus/acpi/devices/LNXCPU:02/status 15 /sys/bus/acpi/devices/LNXCPU:03/status 15 /sys/bus/acpi/devices/LNXCPU:04/status 15 /sys/bus/acpi/devices/LNXCPU:05/status 15 /sys/bus/acpi/devices/LNXCPU:06/status 15 /sys/bus/acpi/devices/LNXCPU:07/status 15 /sys/bus/acpi/devices/LNXCPU:08/status 15 /sys/bus/acpi/devices/LNXCPU:09/status 15 /sys/bus/acpi/devices/LNXCPU:0a/status 15 /sys/bus/acpi/devices/LNXCPU:0b/status 15 /sys/bus/acpi/devices/LNXCPU:0c/status 15 /sys/bus/acpi/devices/LNXCPU:0d/status 15 /sys/bus/acpi/devices/LNXCPU:0e/status 15 /sys/bus/acpi/devices/LNXCPU:0f/status 15 /sys/bus/acpi/devices/LNXCPU:10/status 15 /sys/bus/acpi/devices/LNXCPU:11/status 15 /sys/bus/acpi/devices/LNXCPU:12/status 15 /sys/bus/acpi/devices/LNXCPU:13/status 15 /sys/bus/acpi/devices/LNXCPU:14/status 15 /sys/bus/acpi/devices/LNXCPU:15/status 15 /sys/bus/acpi/devices/LNXCPU:16/status 15 /sys/bus/acpi/devices/LNXCPU:17/status 15 /sys/bus/acpi/devices/LNXCPU:18/status 15 /sys/bus/acpi/devices/LNXCPU:19/status 15 /sys/bus/acpi/devices/LNXCPU:1a/status 15 /sys/bus/acpi/devices/LNXCPU:1b/status 15 /sys/bus/acpi/devices/LNXCPU:1c/status 15 /sys/bus/acpi/devices/LNXCPU:1d/status 15 /sys/bus/acpi/devices/LNXCPU:1e/status 15 /sys/bus/acpi/devices/LNXCPU:1f/status 15 /sys/bus/acpi/devices/MSFT0101:00/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0A08:01/status 15 /sys/bus/acpi/devices/PNP0A08:02/status 15 /sys/bus/acpi/devices/PNP0A08:03/status 15 /sys/bus/acpi/devices/PNP0C02:02/status 3 /sys/bus/acpi/devices/PNP0C02:04/status 3 /sys/bus/acpi/devices/PNP0C0C:00/status 15 /sys/bus/acpi/devices/PNP0C0E:00/status 11 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/PNP0C14:00/status 15 /sys/bus/acpi/devices/PNP0C14:03/status 11 !!Kernel Information !!------------------ Kernel release: 5.15.0-rc1-00021-g0ef74366bc15 Operating System: GNU/Linux Architecture: x86_64 Processor: Intel(R) Core(TM) i9-7960X CPU @ 2.80GHz SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.0-rc1-00021-g0ef74366bc15 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Audio ]: USB-Audio - TX-384Khz Hifi Type-C Audio Generic TX-384Khz Hifi Type-C Audio at usb-0000:00:14.0-1, high speed !!PCI Soundcards installed in the system !!-------------------------------------- 00:1f.3 Audio device [0403]: Intel Corporation 200 Series PCH HD Audio [8086:a2f0] Subsystem: Gigabyte Technology Co., Ltd 200 Series PCH HD Audio [1458:a182] 65:00.1 Audio device [0403]: NVIDIA Corporation GP104 High Definition Audio Controller [10de:10f0] (rev a1) Subsystem: Gigabyte Technology Co., Ltd GP104 High Definition Audio Controller [1458:3730] !!Loaded sound module options !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: /sys/class/sound/card0 |-- audio | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../../../class/sound | `-- uevent |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../../../class/sound | `-- uevent |-- device -> ../../../1-1:1.0 |-- dsp | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../../../class/sound | `-- uevent |-- id |-- mixer | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../../../class/sound | `-- uevent |-- number |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../../../class/sound `-- uevent !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 002: ID 0bda:4c07 Realtek Semiconductor Corp. TX-384Khz Hifi Type-C Audio Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0bda Realtek Semiconductor Corp. idProduct 0x4c07 bcdDevice 0.01 iManufacturer 3 Generic iProduct 1 TX-384Khz Hifi Type-C Audio iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x011d bNumInterfaces 3 bConfigurationValue 1 iConfiguration 4 TX-384Khz Hifi Type-C Audio bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 5 TX-384Khz Hifi Type-C Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 5 TX-384Khz Hifi Type-C Audio AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 4 wTotalLength 0x0050 bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 4 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 10 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 4 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 16 wTerminalType 0x0302 Headphones bAssocTerminal 10 bSourceID 22 bCSourceID 4 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 22 bSourceID 10 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 9 (EXTENSION_UNIT) bUnitID 25 wExtensionCode 0x0bda bNrInPins 1 baSourceID(0) 22 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x00 iExtension 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x87 EP 7 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 TX-384Khz Hifi Type-C Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 TX-384Khz Hifi Type-C Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 10 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 TX-384Khz Hifi Type-C Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 10 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 TX-384Khz Hifi Type-C Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 10 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 35 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x88 EP 8 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 4 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Generic TX-384Khz Hifi Type-C Audio at usb-0000:00:14.0-1, high speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Interface 1 Altset 3 Format: S32_LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 32 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0bda4c07, ctrlif=0, ctlerr=0 Card: Generic TX-384Khz Hifi Type-C Audio at usb-0000:00:14.0-1, high speed Unit: 4 Control: name="Clock Source 4 Validity", index=0 Info: id=4, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 22 Control: name="PCM Playback Volume", index=0 Info: id=22, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 22 Control: name="PCM Playback Switch", index=0 Info: id=22, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Nov 17 18:59 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Nov 17 19:00 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Nov 17 18:59 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Nov 17 18:59 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Nov 17 18:59 . drwxr-xr-x 4 root root 160 Nov 17 18:59 .. lrwxrwxrwx 1 root root 12 Nov 17 18:59 usb-Generic_TX-384Khz_Hifi_Type-C_Audio-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Nov 17 18:59 . drwxr-xr-x 4 root root 160 Nov 17 18:59 .. lrwxrwxrwx 1 root root 12 Nov 17 18:59 pci-0000:00:14.0-usb-0:1:1.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Audio [TX-384Khz Hifi Type-C Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Audio Card hw:0 'Audio'/'Generic TX-384Khz Hifi Type-C Audio at usb-0000:00:14.0-1, high speed' Mixer name : 'USB Mixer' Components : 'USB0bda:4c07' Controls : 4 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 175 Mono: Front Left: Playback 121 [69%] [-20.25dB] [on] Front Right: Playback 121 [69%] [-20.25dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Audio { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Volume' value.0 121 value.1 121 comment { access 'read write' type INTEGER count 2 range '0 - 175' dbmin -6562 dbmax 0 dbvalue.0 -2025 dbvalue.1 -2025 } } control.4 { iface CARD name 'Clock Source 4 Validity' value true comment { access read type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ !!ALSA/HDA dmesg !!-------------- [ 0.771254] ACPI: Added _OSI(Linux-Dell-Video) [ 0.771262] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.771271] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) -- [ 5.299506] usbhid: USB HID core driver [ 5.300421] usbcore: registered new interface driver snd-usb-audio [ 5.301484] IPVS: Registered protocols (TCP, UDP) -- [ 5.396384] pstore: Using crash dump compression: deflate [ 5.398338] ALSA device list: [ 5.399328] No soundcards found. [ 5.405607] Freeing unused kernel image (initmem) memory: 8868K --unbtckrxrxtuxppn Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=card0-stream0 Generic TX-384Khz Hifi Type-C Audio at usb-0000:00:14.0-1, high speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Interface 1 Altset 3 Format: S32_LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Bits: 32 Channel map: FL FR --unbtckrxrxtuxppn--