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 X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70E0CC4338F for ; Tue, 27 Jul 2021 06:16:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FF8261107 for ; Tue, 27 Jul 2021 06:16:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235477AbhG0GQR (ORCPT ); Tue, 27 Jul 2021 02:16:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:42614 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235041AbhG0GQQ (ORCPT ); Tue, 27 Jul 2021 02:16:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C7269610A0; Tue, 27 Jul 2021 06:16:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627366576; bh=PZMxm/DL9SMP/si509h/qfxGUBeOPBm0+/JvdCUykkA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LBJ7bIf3usrYDxZaEwSkeRS0aTV4EkSS8KAxXFFxV7E2wrhMIEAsDGGF7addSV+wQ N+yJX4Aq7x3+h5C7immGB7TSMt0d/pAqb7zawlidwxZgbeQZtf5PPD8Iqbx09sVmJa Ov8RdEqDGwP0H81BvdSicmaDS99NmYgN9OaSG2aA= Date: Tue, 27 Jul 2021 08:16:10 +0200 From: Greg KH To: "Razgriz375 (Neil)" Cc: linux-usb@vger.kernel.org Subject: Re: Fwd: Linux Kernel 5.12.10 Walkman USB DAC support issues Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Tue, Jul 27, 2021 at 12:37:28AM +0100, Razgriz375 (Neil) wrote: > Hello, > > Since updating from 5.10.17, I have not been able to get my Walkman > A55 to work as a USB DAC with my device. My system specs are as > follows: > > Surface Pro 4 > Pop_OS 21.04 x86_64 > Kernel 5.12.10-surface > CPU Intel i5-6300U > Mem 4GB > > I can switch back to 5.10.17-surface which I have done and the USB DAC > starts working again. This issue has also been reported in > https://bbs.archlinux.org/viewtopic.php?id=264051&p=2 > > I'm pretty amateur at linux, but happy to help and provide more > information if required. I guess this is a niche issue as it's not > been reported as far as I can tell. > > Desmg output is attached as your spam filter intercepted the raw > information in the email. > > Kind regards, > > Neil > [ 109.668465] usb 1-1: USB disconnect, device number 2 > [ 110.084429] usb 1-1: new high-speed USB device number 5 using xhci_hcd > [ 110.237963] usb 1-1: New USB device found, idVendor=054c, idProduct=0b8c, bcdDevice= 1.00 > [ 110.237989] usb 1-1: New USB device strings: Mfr=2, Product=3, SerialNumber=4 > [ 110.238002] usb 1-1: Product: WALKMAN > [ 110.238011] usb 1-1: Manufacturer: Sony > [ 110.238019] usb 1-1: SerialNumber: 10458B55477916 > [ 110.342104] usb 1-1: 1:7 : unsupported format bits 0x100000000 > [ 110.343953] usbcore: registered new interface driver snd-usb-audio > Looks like you removed the device and then added it back? And it says the device is supported by the kernel now, what does not work properly? thanks, greg k-h