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Message-ID: <87pme3jazk.wl-tiwai@suse.de>
Date:   Fri, 04 Nov 2022 10:59:59 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     艾超 <aichao@...inos.cn>
Cc:     <perex@...ex.cz>, <tiwai@...e.com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: 回复: Re: [PATCH] ALSA: usb-audio: fix Hamedal
 C20 usb camero disconnect issue

On Fri, 04 Nov 2022 10:50:48 +0100,
艾超 wrote:
> 
> I 'm sorry, I don't know whether you receiver my mail for 'lsusb -v' to
> Hamedal C20

I received your previous mails including lsusb -v output.  But the
post was filtered out by some reason?

So the audio device looks like a UAC1 device.  And this one requires
to keep up the USB interface up even if the audio stream is closed
(not about the parameter changes)?


Takashi

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