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SubjectRe: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api
> Sorry, I'm not convinced by that.  If the device has to be controlled
> exclusively, the right position is the open/close. Otherwise, the
> program cannot know when it becomes inaccessible out of sudden during
> its operation.

I can say that I've definitely seen cases where if you configure a
device as the "default" capture device in PulseAudio, then pulse will
continue to capture from it even if you're not actively capturing the
audio from pulse. I only spotted this because I had a USB analyzer on
the device and was dumbfounded when the ISOC packets kept arriving
even after I had closed VLC.


Devin J. Heitmueller - Kernel Labs

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