Re: 回复: Re: 回复: Re: [PATCH] ALSA: usb-audio: fix Hamedal C20 usb camero disconnect issue

From: Takashi Iwai
Date: Mon Nov 07 2022 - 03:16:00 EST


On Mon, 07 Nov 2022 02:33:57 +0100,
艾超 wrote:
>
> Yes, the audio device is a UAC1 device, and it used set_sample_rate_v1 to
> set sample.
>
> So, I add a quirk to keep up the USB interface up even if the audio stream
> is closed.

Well, my question is also about the parameter changes. This interface
reset doesn't cause any problem? Or we should skip the interface
clear there, too?


Takashi

>
> ----
>
> 主 题:Re: 回复: Re: [PATCH] ALSA: usb-audio: fix Hamedal C20 usb camero
> disconnect issue
> 日 期:2022-11-04 17:59
> 发件人:Takashi Iwai
> 收件人:艾超
>
> 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
>
>