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From: Greg KH <gregkh@linuxfoundation.org>
To: "Razgriz375 (Neil)" <razgriz.wilson6@gmail.com>
Cc: linux-usb@vger.kernel.org
Subject: Re: Fwd: Linux Kernel 5.12.10 Walkman USB DAC support issues
Date: Tue, 27 Jul 2021 08:16:10 +0200	[thread overview]
Message-ID: <YP+kqqimY1BYZAwL@kroah.com> (raw)
In-Reply-To: <CAJpVOidqd+tpNNkHGvC6fUQ7g3Z+FLpiDJrmPWtQmiL-AsYsLw@mail.gmail.com>

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

  reply	other threads:[~2021-07-27  6:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <QUKVWQ.1T8HV94AM5X6@gmail.com>
2021-07-26 23:37 ` Fwd: Linux Kernel 5.12.10 Walkman USB DAC support issues Razgriz375 (Neil)
2021-07-27  6:16   ` Greg KH [this message]
2021-07-27  7:43     ` Schmid, Carsten
2021-07-27 11:02       ` AMoonRabbit
2021-07-27 13:02         ` Schmid, Carsten
     [not found]           ` <GBNWWQ.KWQ1PXLOHKYW2@gmail.com>
2021-07-27 15:05             ` Schmid, Carsten
2021-07-27 16:11               ` AMoonRabbit
2021-07-27 17:06                 ` Felipe Balbi
2021-08-10 17:00           ` AMoonRabbit

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