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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <87h6zbt11z.wl-tiwai@suse.de>
Date:   Mon, 07 Nov 2022 13:13:28 +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: 回复: Re:
 回复: Re: [PATCH] ALSA: usb-audio: fix Hamedal C20 usb
 camero disconnect issue

On Mon, 07 Nov 2022 10:01:08 +0100,
艾超 wrote:
> 
>     I tested the hotplug 、record and catch the picture,  this interface reset
> doesn't cause any problem.
> 
> In snd_usb_endpoint_configure,  It set false to interface to deselect
> altsetting at first.
> 
> But , if skip the interface clear (ex.  ep->cur_rate = 0;), there is no sound
> output.

OK, then just skipping the interface reset at closing PCM appears to
be the proper fix.  Please go ahead and submit the patch for a new
quirk with this type.  Thanks!


Takashi